Home / 26,149.18-39,223.42-6,427.90

Finding the Fourth Proportional to 26,149.18, 39,223.42 and 6,427.90

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Solution

The fourth proportional to 26,149.18, 39,223.42 and 6,427.90 is: 9,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,149.18 : 39,223.42 = 6,427.90 : x
  2. Step 2: Convert to fraction form
    26,149.18/39,223.42 = 6,427.90/x
  3. Step 3: Cross multiply
    26,149.18x = 39,223.42 × 6,427.90
  4. Step 4: Simplify right side
    26,149.18x = 252,124,373.73
  5. Step 5: Solve for x
    x = 252,124,373.73/26,149.18
  6. Step 6: Final answer
    x = 9,641.77

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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.