Home / 27,663.38-38,175.91-15,088.13

Finding the Fourth Proportional to 27,663.38, 38,175.91 and 15,088.13

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Solution

The fourth proportional to 27,663.38, 38,175.91 and 15,088.13 is: 20,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.38 : 38,175.91 = 15,088.13 : x
  2. Step 2: Convert to fraction form
    27,663.38/38,175.91 = 15,088.13/x
  3. Step 3: Cross multiply
    27,663.38x = 38,175.91 × 15,088.13
  4. Step 4: Simplify right side
    27,663.38x = 576,002,949.22
  5. Step 5: Solve for x
    x = 576,002,949.22/27,663.38
  6. Step 6: Final answer
    x = 20,821.86

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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.