Home / 22,152.28-30,702.12-21,737.56

Finding the Fourth Proportional to 22,152.28, 30,702.12 and 21,737.56

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Solution

The fourth proportional to 22,152.28, 30,702.12 and 21,737.56 is: 30,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.28 : 30,702.12 = 21,737.56 : x
  2. Step 2: Convert to fraction form
    22,152.28/30,702.12 = 21,737.56/x
  3. Step 3: Cross multiply
    22,152.28x = 30,702.12 × 21,737.56
  4. Step 4: Simplify right side
    22,152.28x = 667,389,175.63
  5. Step 5: Solve for x
    x = 667,389,175.63/22,152.28
  6. Step 6: Final answer
    x = 30,127.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.