Home / 18,861.11-28,251.17-17,757.02

Finding the Fourth Proportional to 18,861.11, 28,251.17 and 17,757.02

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Solution

The fourth proportional to 18,861.11, 28,251.17 and 17,757.02 is: 26,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.11 : 28,251.17 = 17,757.02 : x
  2. Step 2: Convert to fraction form
    18,861.11/28,251.17 = 17,757.02/x
  3. Step 3: Cross multiply
    18,861.11x = 28,251.17 × 17,757.02
  4. Step 4: Simplify right side
    18,861.11x = 501,656,491.58
  5. Step 5: Solve for x
    x = 501,656,491.58/18,861.11
  6. Step 6: Final answer
    x = 26,597.40

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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.