Home / 21,729.76-32,591.90-6,937.44

Finding the Fourth Proportional to 21,729.76, 32,591.90 and 6,937.44

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Solution

The fourth proportional to 21,729.76, 32,591.90 and 6,937.44 is: 10,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729.76 : 32,591.90 = 6,937.44 : x
  2. Step 2: Convert to fraction form
    21,729.76/32,591.90 = 6,937.44/x
  3. Step 3: Cross multiply
    21,729.76x = 32,591.90 × 6,937.44
  4. Step 4: Simplify right side
    21,729.76x = 226,104,350.74
  5. Step 5: Solve for x
    x = 226,104,350.74/21,729.76
  6. Step 6: Final answer
    x = 10,405.29

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1.5x scale

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.