What proportion is 21 out of 87?

What proportion is 21 out of 87? In other words, what proportion is 21 out of 87 as a percentage? More specifically, if 21 is the part, and 87 is the whole, what will the part be if the whole is 100?

Below is a more straightforward illustration showing you what we mean when we say we want find the proportion of 21 out of 87 as a percentage:

21 out of 87 = P out of 100

The above problem can be made into an equation and can be solved like this:

P/100 = 21/87
P = 2100/87
P ≈ 24.1379

Now we know that the proportion of 21 out of 87 is the same as 24.1379 out of 100, which means that we have our answer:

What proportion is 21 out of 87? ≈ 24.1379%

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What proportion is 21 out of 88?
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