Home / 22,436.62-33,390.11-21,689.17

Finding the Fourth Proportional to 22,436.62, 33,390.11 and 21,689.17

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Solution

The fourth proportional to 22,436.62, 33,390.11 and 21,689.17 is: 32,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,436.62 : 33,390.11 = 21,689.17 : x
  2. Step 2: Convert to fraction form
    22,436.62/33,390.11 = 21,689.17/x
  3. Step 3: Cross multiply
    22,436.62x = 33,390.11 × 21,689.17
  4. Step 4: Simplify right side
    22,436.62x = 724,203,772.11
  5. Step 5: Solve for x
    x = 724,203,772.11/22,436.62
  6. Step 6: Final answer
    x = 32,277.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.