Home / 25,689.92-38,437.98-15,165.67

Finding the Fourth Proportional to 25,689.92, 38,437.98 and 15,165.67

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Solution

The fourth proportional to 25,689.92, 38,437.98 and 15,165.67 is: 22,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.92 : 38,437.98 = 15,165.67 : x
  2. Step 2: Convert to fraction form
    25,689.92/38,437.98 = 15,165.67/x
  3. Step 3: Cross multiply
    25,689.92x = 38,437.98 × 15,165.67
  4. Step 4: Simplify right side
    25,689.92x = 582,937,601.74
  5. Step 5: Solve for x
    x = 582,937,601.74/25,689.92
  6. Step 6: Final answer
    x = 22,691.30

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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.