Home / 26,454.42-39,671.61-8,680.79

Finding the Fourth Proportional to 26,454.42, 39,671.61 and 8,680.79

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Solution

The fourth proportional to 26,454.42, 39,671.61 and 8,680.79 is: 13,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,454.42 : 39,671.61 = 8,680.79 : x
  2. Step 2: Convert to fraction form
    26,454.42/39,671.61 = 8,680.79/x
  3. Step 3: Cross multiply
    26,454.42x = 39,671.61 × 8,680.79
  4. Step 4: Simplify right side
    26,454.42x = 344,380,982.00
  5. Step 5: Solve for x
    x = 344,380,982.00/26,454.42
  6. Step 6: Final answer
    x = 13,017.90

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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.