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Finding the Fourth Proportional to 57,234.70, 85,877.65 and 26,053.90

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Solution

The fourth proportional to 57,234.70, 85,877.65 and 26,053.90 is: 39,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,234.70 : 85,877.65 = 26,053.90 : x
  2. Step 2: Convert to fraction form
    57,234.70/85,877.65 = 26,053.90/x
  3. Step 3: Cross multiply
    57,234.70x = 85,877.65 × 26,053.90
  4. Step 4: Simplify right side
    57,234.70x = 2,237,447,705.34
  5. Step 5: Solve for x
    x = 2,237,447,705.34/57,234.70
  6. Step 6: Final answer
    x = 39,092.50

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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.