Home / 15,672.71-23,508.97-3,985.83

Finding the Fourth Proportional to 15,672.71, 23,508.97 and 3,985.83

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Solution

The fourth proportional to 15,672.71, 23,508.97 and 3,985.83 is: 5,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.71 : 23,508.97 = 3,985.83 : x
  2. Step 2: Convert to fraction form
    15,672.71/23,508.97 = 3,985.83/x
  3. Step 3: Cross multiply
    15,672.71x = 23,508.97 × 3,985.83
  4. Step 4: Simplify right side
    15,672.71x = 93,702,747.93
  5. Step 5: Solve for x
    x = 93,702,747.93/15,672.71
  6. Step 6: Final answer
    x = 5,978.72

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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.