Home / 21,861.68-32,793.96-6,279.44

Finding the Fourth Proportional to 21,861.68, 32,793.96 and 6,279.44

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Solution

The fourth proportional to 21,861.68, 32,793.96 and 6,279.44 is: 9,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.68 : 32,793.96 = 6,279.44 : x
  2. Step 2: Convert to fraction form
    21,861.68/32,793.96 = 6,279.44/x
  3. Step 3: Cross multiply
    21,861.68x = 32,793.96 × 6,279.44
  4. Step 4: Simplify right side
    21,861.68x = 205,927,704.18
  5. Step 5: Solve for x
    x = 205,927,704.18/21,861.68
  6. Step 6: Final answer
    x = 9,419.57

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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.