Home / 19,250.28-28,891.92-13,717.20

Finding the Fourth Proportional to 19,250.28, 28,891.92 and 13,717.20

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Solution

The fourth proportional to 19,250.28, 28,891.92 and 13,717.20 is: 20,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.28 : 28,891.92 = 13,717.20 : x
  2. Step 2: Convert to fraction form
    19,250.28/28,891.92 = 13,717.20/x
  3. Step 3: Cross multiply
    19,250.28x = 28,891.92 × 13,717.20
  4. Step 4: Simplify right side
    19,250.28x = 396,316,245.02
  5. Step 5: Solve for x
    x = 396,316,245.02/19,250.28
  6. Step 6: Final answer
    x = 20,587.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.