Home / 27,439.97-41,160.15-7,720.52

Finding the Fourth Proportional to 27,439.97, 41,160.15 and 7,720.52

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Solution

The fourth proportional to 27,439.97, 41,160.15 and 7,720.52 is: 11,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,439.97 : 41,160.15 = 7,720.52 : x
  2. Step 2: Convert to fraction form
    27,439.97/41,160.15 = 7,720.52/x
  3. Step 3: Cross multiply
    27,439.97x = 41,160.15 × 7,720.52
  4. Step 4: Simplify right side
    27,439.97x = 317,777,555.48
  5. Step 5: Solve for x
    x = 317,777,555.48/27,439.97
  6. Step 6: Final answer
    x = 11,580.83

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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.