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Finding the Fourth Proportional to 38,165.60, 57,248.40 and 10,085.60

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Solution

The fourth proportional to 38,165.60, 57,248.40 and 10,085.60 is: 15,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.60 : 57,248.40 = 10,085.60 : x
  2. Step 2: Convert to fraction form
    38,165.60/57,248.40 = 10,085.60/x
  3. Step 3: Cross multiply
    38,165.60x = 57,248.40 × 10,085.60
  4. Step 4: Simplify right side
    38,165.60x = 577,384,463.04
  5. Step 5: Solve for x
    x = 577,384,463.04/38,165.60
  6. Step 6: Final answer
    x = 15,128.40

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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.