Home / 22,772.14-34,117.20-21,399.80

Finding the Fourth Proportional to 22,772.14, 34,117.20 and 21,399.80

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Solution

The fourth proportional to 22,772.14, 34,117.20 and 21,399.80 is: 32,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.14 : 34,117.20 = 21,399.80 : x
  2. Step 2: Convert to fraction form
    22,772.14/34,117.20 = 21,399.80/x
  3. Step 3: Cross multiply
    22,772.14x = 34,117.20 × 21,399.80
  4. Step 4: Simplify right side
    22,772.14x = 730,101,085.97
  5. Step 5: Solve for x
    x = 730,101,085.97/22,772.14
  6. Step 6: Final answer
    x = 32,061.16

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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.