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Finding the Fourth Proportional to 57,503.68, 86,265.36 and 26,341.60

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Solution

The fourth proportional to 57,503.68, 86,265.36 and 26,341.60 is: 39,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,503.68 : 86,265.36 = 26,341.60 : x
  2. Step 2: Convert to fraction form
    57,503.68/86,265.36 = 26,341.60/x
  3. Step 3: Cross multiply
    57,503.68x = 86,265.36 × 26,341.60
  4. Step 4: Simplify right side
    57,503.68x = 2,272,367,606.98
  5. Step 5: Solve for x
    x = 2,272,367,606.98/57,503.68
  6. Step 6: Final answer
    x = 39,516.91

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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.