Home / 15,956.38-23,932.88-4,270.78

Finding the Fourth Proportional to 15,956.38, 23,932.88 and 4,270.78

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Solution

The fourth proportional to 15,956.38, 23,932.88 and 4,270.78 is: 6,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.38 : 23,932.88 = 4,270.78 : x
  2. Step 2: Convert to fraction form
    15,956.38/23,932.88 = 4,270.78/x
  3. Step 3: Cross multiply
    15,956.38x = 23,932.88 × 4,270.78
  4. Step 4: Simplify right side
    15,956.38x = 102,212,065.25
  5. Step 5: Solve for x
    x = 102,212,065.25/15,956.38
  6. Step 6: Final answer
    x = 6,405.72

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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.