Home / 27,391.20-41,086.89-7,669.86

Finding the Fourth Proportional to 27,391.20, 41,086.89 and 7,669.86

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Solution

The fourth proportional to 27,391.20, 41,086.89 and 7,669.86 is: 11,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,391.20 : 41,086.89 = 7,669.86 : x
  2. Step 2: Convert to fraction form
    27,391.20/41,086.89 = 7,669.86/x
  3. Step 3: Cross multiply
    27,391.20x = 41,086.89 × 7,669.86
  4. Step 4: Simplify right side
    27,391.20x = 315,130,694.14
  5. Step 5: Solve for x
    x = 315,130,694.14/27,391.20
  6. Step 6: Final answer
    x = 11,504.82

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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.