Home / 17,631.20-26,439.94-8,860

Finding the Fourth Proportional to 17,631.20, 26,439.94 and 8,860

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Solution

The fourth proportional to 17,631.20, 26,439.94 and 8,860 is: 13,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.20 : 26,439.94 = 8,860 : x
  2. Step 2: Convert to fraction form
    17,631.20/26,439.94 = 8,860/x
  3. Step 3: Cross multiply
    17,631.20x = 26,439.94 × 8,860
  4. Step 4: Simplify right side
    17,631.20x = 234,257,868.40
  5. Step 5: Solve for x
    x = 234,257,868.40/17,631.20
  6. Step 6: Final answer
    x = 13,286.55

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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.