Home / 84,515.45-126,793.17-27,589.05

Finding the Fourth Proportional to 84,515.45, 126,793.17 and 27,589.05

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Solution

The fourth proportional to 84,515.45, 126,793.17 and 27,589.05 is: 41,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,515.45 : 126,793.17 = 27,589.05 : x
  2. Step 2: Convert to fraction form
    84,515.45/126,793.17 = 27,589.05/x
  3. Step 3: Cross multiply
    84,515.45x = 126,793.17 × 27,589.05
  4. Step 4: Simplify right side
    84,515.45x = 3,498,103,106.79
  5. Step 5: Solve for x
    x = 3,498,103,106.79/84,515.45
  6. Step 6: Final answer
    x = 41,390.10

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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.