Home / 63,931.68-95,896.80-28,861.92

Finding the Fourth Proportional to 63,931.68, 95,896.80 and 28,861.92

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Solution

The fourth proportional to 63,931.68, 95,896.80 and 28,861.92 is: 43,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,931.68 : 95,896.80 = 28,861.92 : x
  2. Step 2: Convert to fraction form
    63,931.68/95,896.80 = 28,861.92/x
  3. Step 3: Cross multiply
    63,931.68x = 95,896.80 × 28,861.92
  4. Step 4: Simplify right side
    63,931.68x = 2,767,765,769.86
  5. Step 5: Solve for x
    x = 2,767,765,769.86/63,931.68
  6. Step 6: Final answer
    x = 43,292.55

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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.