Home / 21,452.08-32,179.52-8,304.56

Finding the Fourth Proportional to 21,452.08, 32,179.52 and 8,304.56

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Solution

The fourth proportional to 21,452.08, 32,179.52 and 8,304.56 is: 12,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.08 : 32,179.52 = 8,304.56 : x
  2. Step 2: Convert to fraction form
    21,452.08/32,179.52 = 8,304.56/x
  3. Step 3: Cross multiply
    21,452.08x = 32,179.52 × 8,304.56
  4. Step 4: Simplify right side
    21,452.08x = 267,236,754.61
  5. Step 5: Solve for x
    x = 267,236,754.61/21,452.08
  6. Step 6: Final answer
    x = 12,457.38

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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.