Home / 27,560.56-41,339.92-11,978.20

Finding the Fourth Proportional to 27,560.56, 41,339.92 and 11,978.20

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Solution

The fourth proportional to 27,560.56, 41,339.92 and 11,978.20 is: 17,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,560.56 : 41,339.92 = 11,978.20 : x
  2. Step 2: Convert to fraction form
    27,560.56/41,339.92 = 11,978.20/x
  3. Step 3: Cross multiply
    27,560.56x = 41,339.92 × 11,978.20
  4. Step 4: Simplify right side
    27,560.56x = 495,177,829.74
  5. Step 5: Solve for x
    x = 495,177,829.74/27,560.56
  6. Step 6: Final answer
    x = 17,966.90

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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.