Home / 22,318.20-33,428.70-21,832.20

Finding the Fourth Proportional to 22,318.20, 33,428.70 and 21,832.20

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Solution

The fourth proportional to 22,318.20, 33,428.70 and 21,832.20 is: 32,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.20 : 33,428.70 = 21,832.20 : x
  2. Step 2: Convert to fraction form
    22,318.20/33,428.70 = 21,832.20/x
  3. Step 3: Cross multiply
    22,318.20x = 33,428.70 × 21,832.20
  4. Step 4: Simplify right side
    22,318.20x = 729,822,064.14
  5. Step 5: Solve for x
    x = 729,822,064.14/22,318.20
  6. Step 6: Final answer
    x = 32,700.76

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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.