Home / 27,712.28-38,229.24-16,376.29

Finding the Fourth Proportional to 27,712.28, 38,229.24 and 16,376.29

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Solution

The fourth proportional to 27,712.28, 38,229.24 and 16,376.29 is: 22,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.28 : 38,229.24 = 16,376.29 : x
  2. Step 2: Convert to fraction form
    27,712.28/38,229.24 = 16,376.29/x
  3. Step 3: Cross multiply
    27,712.28x = 38,229.24 × 16,376.29
  4. Step 4: Simplify right side
    27,712.28x = 626,053,120.72
  5. Step 5: Solve for x
    x = 626,053,120.72/27,712.28
  6. Step 6: Final answer
    x = 22,591.18

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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.