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Finding the Fourth Proportional to 22,752.40, 34,128.60 and 15,332.80

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Solution

The fourth proportional to 22,752.40, 34,128.60 and 15,332.80 is: 22,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,752.40 : 34,128.60 = 15,332.80 : x
  2. Step 2: Convert to fraction form
    22,752.40/34,128.60 = 15,332.80/x
  3. Step 3: Cross multiply
    22,752.40x = 34,128.60 × 15,332.80
  4. Step 4: Simplify right side
    22,752.40x = 523,286,998.08
  5. Step 5: Solve for x
    x = 523,286,998.08/22,752.40
  6. Step 6: Final answer
    x = 22,999.20

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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.