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Finding the Fourth Proportional to 64,005.92, 95,997.34 and 17,247.88

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Solution

The fourth proportional to 64,005.92, 95,997.34 and 17,247.88 is: 25,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,005.92 : 95,997.34 = 17,247.88 : x
  2. Step 2: Convert to fraction form
    64,005.92/95,997.34 = 17,247.88/x
  3. Step 3: Cross multiply
    64,005.92x = 95,997.34 × 17,247.88
  4. Step 4: Simplify right side
    64,005.92x = 1,655,750,600.64
  5. Step 5: Solve for x
    x = 1,655,750,600.64/64,005.92
  6. Step 6: Final answer
    x = 25,868.71

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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.