Home / 40,932.65-56,456.82-28,189.88

Finding the Fourth Proportional to 40,932.65, 56,456.82 and 28,189.88

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Solution

The fourth proportional to 40,932.65, 56,456.82 and 28,189.88 is: 38,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,932.65 : 56,456.82 = 28,189.88 : x
  2. Step 2: Convert to fraction form
    40,932.65/56,456.82 = 28,189.88/x
  3. Step 3: Cross multiply
    40,932.65x = 56,456.82 × 28,189.88
  4. Step 4: Simplify right side
    40,932.65x = 1,591,510,698.70
  5. Step 5: Solve for x
    x = 1,591,510,698.70/40,932.65
  6. Step 6: Final answer
    x = 38,881.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.