Home / 22,963.40-34,372.20-21,213.80

Finding the Fourth Proportional to 22,963.40, 34,372.20 and 21,213.80

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Solution

The fourth proportional to 22,963.40, 34,372.20 and 21,213.80 is: 31,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,963.40 : 34,372.20 = 21,213.80 : x
  2. Step 2: Convert to fraction form
    22,963.40/34,372.20 = 21,213.80/x
  3. Step 3: Cross multiply
    22,963.40x = 34,372.20 × 21,213.80
  4. Step 4: Simplify right side
    22,963.40x = 729,164,976.36
  5. Step 5: Solve for x
    x = 729,164,976.36/22,963.40
  6. Step 6: Final answer
    x = 31,753.35

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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.