Home / 27,631.20-41,517.02-17,640.80

Finding the Fourth Proportional to 27,631.20, 41,517.02 and 17,640.80

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Solution

The fourth proportional to 27,631.20, 41,517.02 and 17,640.80 is: 26,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.20 : 41,517.02 = 17,640.80 : x
  2. Step 2: Convert to fraction form
    27,631.20/41,517.02 = 17,640.80/x
  3. Step 3: Cross multiply
    27,631.20x = 41,517.02 × 17,640.80
  4. Step 4: Simplify right side
    27,631.20x = 732,393,446.42
  5. Step 5: Solve for x
    x = 732,393,446.42/27,631.20
  6. Step 6: Final answer
    x = 26,506.03

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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.