Home / 21,540.56-32,298.68-8,377.85

Finding the Fourth Proportional to 21,540.56, 32,298.68 and 8,377.85

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Solution

The fourth proportional to 21,540.56, 32,298.68 and 8,377.85 is: 12,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540.56 : 32,298.68 = 8,377.85 : x
  2. Step 2: Convert to fraction form
    21,540.56/32,298.68 = 8,377.85/x
  3. Step 3: Cross multiply
    21,540.56x = 32,298.68 × 8,377.85
  4. Step 4: Simplify right side
    21,540.56x = 270,593,597.93
  5. Step 5: Solve for x
    x = 270,593,597.93/21,540.56
  6. Step 6: Final answer
    x = 12,562.05

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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.