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Finding the Fourth Proportional to 57,940.30, 86,893.71 and 26,332.75

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Solution

The fourth proportional to 57,940.30, 86,893.71 and 26,332.75 is: 39,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,940.30 : 86,893.71 = 26,332.75 : x
  2. Step 2: Convert to fraction form
    57,940.30/86,893.71 = 26,332.75/x
  3. Step 3: Cross multiply
    57,940.30x = 86,893.71 × 26,332.75
  4. Step 4: Simplify right side
    57,940.30x = 2,288,150,342.00
  5. Step 5: Solve for x
    x = 2,288,150,342.00/57,940.30
  6. Step 6: Final answer
    x = 39,491.52

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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.