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Finding the Fourth Proportional to 22,287.52, 33,402.16 and 9,132.72

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Solution

The fourth proportional to 22,287.52, 33,402.16 and 9,132.72 is: 13,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.52 : 33,402.16 = 9,132.72 : x
  2. Step 2: Convert to fraction form
    22,287.52/33,402.16 = 9,132.72/x
  3. Step 3: Cross multiply
    22,287.52x = 33,402.16 × 9,132.72
  4. Step 4: Simplify right side
    22,287.52x = 305,052,574.68
  5. Step 5: Solve for x
    x = 305,052,574.68/22,287.52
  6. Step 6: Final answer
    x = 13,687.15

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