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Finding the Fourth Proportional to 57,265.60, 85,900.56 and 15,715.84

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Solution

The fourth proportional to 57,265.60, 85,900.56 and 15,715.84 is: 23,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,265.60 : 85,900.56 = 15,715.84 : x
  2. Step 2: Convert to fraction form
    57,265.60/85,900.56 = 15,715.84/x
  3. Step 3: Cross multiply
    57,265.60x = 85,900.56 × 15,715.84
  4. Step 4: Simplify right side
    57,265.60x = 1,349,999,456.87
  5. Step 5: Solve for x
    x = 1,349,999,456.87/57,265.60
  6. Step 6: Final answer
    x = 23,574.35

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1.5x scale

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.