Home / 26,581.37-39,874.78-11,793.60

Finding the Fourth Proportional to 26,581.37, 39,874.78 and 11,793.60

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Solution

The fourth proportional to 26,581.37, 39,874.78 and 11,793.60 is: 17,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.37 : 39,874.78 = 11,793.60 : x
  2. Step 2: Convert to fraction form
    26,581.37/39,874.78 = 11,793.60/x
  3. Step 3: Cross multiply
    26,581.37x = 39,874.78 × 11,793.60
  4. Step 4: Simplify right side
    26,581.37x = 470,267,220.15
  5. Step 5: Solve for x
    x = 470,267,220.15/26,581.37
  6. Step 6: Final answer
    x = 17,691.61

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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.