Home / 37,910.20-56,879.96-15,717.88

Finding the Fourth Proportional to 37,910.20, 56,879.96 and 15,717.88

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Solution

The fourth proportional to 37,910.20, 56,879.96 and 15,717.88 is: 23,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,910.20 : 56,879.96 = 15,717.88 : x
  2. Step 2: Convert to fraction form
    37,910.20/56,879.96 = 15,717.88/x
  3. Step 3: Cross multiply
    37,910.20x = 56,879.96 × 15,717.88
  4. Step 4: Simplify right side
    37,910.20x = 894,032,385.68
  5. Step 5: Solve for x
    x = 894,032,385.68/37,910.20
  6. Step 6: Final answer
    x = 23,582.90

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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.