Home / 15,672.53-23,508.85-3,985.75

Finding the Fourth Proportional to 15,672.53, 23,508.85 and 3,985.75

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Solution

The fourth proportional to 15,672.53, 23,508.85 and 3,985.75 is: 5,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.53 : 23,508.85 = 3,985.75 : x
  2. Step 2: Convert to fraction form
    15,672.53/23,508.85 = 3,985.75/x
  3. Step 3: Cross multiply
    15,672.53x = 23,508.85 × 3,985.75
  4. Step 4: Simplify right side
    15,672.53x = 93,700,398.89
  5. Step 5: Solve for x
    x = 93,700,398.89/15,672.53
  6. Step 6: Final answer
    x = 5,978.64

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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.