Home / 27,472.80-41,209.20-18,117.30

Finding the Fourth Proportional to 27,472.80, 41,209.20 and 18,117.30

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Solution

The fourth proportional to 27,472.80, 41,209.20 and 18,117.30 is: 27,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,472.80 : 41,209.20 = 18,117.30 : x
  2. Step 2: Convert to fraction form
    27,472.80/41,209.20 = 18,117.30/x
  3. Step 3: Cross multiply
    27,472.80x = 41,209.20 × 18,117.30
  4. Step 4: Simplify right side
    27,472.80x = 746,599,439.16
  5. Step 5: Solve for x
    x = 746,599,439.16/27,472.80
  6. Step 6: Final answer
    x = 27,175.95

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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.