Home / 27,587.80-38,071.02-15,012.64

Finding the Fourth Proportional to 27,587.80, 38,071.02 and 15,012.64

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Solution

The fourth proportional to 27,587.80, 38,071.02 and 15,012.64 is: 20,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.80 : 38,071.02 = 15,012.64 : x
  2. Step 2: Convert to fraction form
    27,587.80/38,071.02 = 15,012.64/x
  3. Step 3: Cross multiply
    27,587.80x = 38,071.02 × 15,012.64
  4. Step 4: Simplify right side
    27,587.80x = 571,546,517.69
  5. Step 5: Solve for x
    x = 571,546,517.69/27,587.80
  6. Step 6: Final answer
    x = 20,717.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.