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Finding the Fourth Proportional to 56,527.92, 84,792.24 and 19,583.28

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Solution

The fourth proportional to 56,527.92, 84,792.24 and 19,583.28 is: 29,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.92 : 84,792.24 = 19,583.28 : x
  2. Step 2: Convert to fraction form
    56,527.92/84,792.24 = 19,583.28/x
  3. Step 3: Cross multiply
    56,527.92x = 84,792.24 × 19,583.28
  4. Step 4: Simplify right side
    56,527.92x = 1,660,510,177.75
  5. Step 5: Solve for x
    x = 1,660,510,177.75/56,527.92
  6. Step 6: Final answer
    x = 29,375.04

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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.