Home / 26,160.62-39,240.59-6,439.28

Finding the Fourth Proportional to 26,160.62, 39,240.59 and 6,439.28

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Solution

The fourth proportional to 26,160.62, 39,240.59 and 6,439.28 is: 9,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,160.62 : 39,240.59 = 6,439.28 : x
  2. Step 2: Convert to fraction form
    26,160.62/39,240.59 = 6,439.28/x
  3. Step 3: Cross multiply
    26,160.62x = 39,240.59 × 6,439.28
  4. Step 4: Simplify right side
    26,160.62x = 252,680,917.98
  5. Step 5: Solve for x
    x = 252,680,917.98/26,160.62
  6. Step 6: Final answer
    x = 9,658.83

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1.5x scale

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.