Home / 22,469.96-31,006.44-21,715.04

Finding the Fourth Proportional to 22,469.96, 31,006.44 and 21,715.04

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Solution

The fourth proportional to 22,469.96, 31,006.44 and 21,715.04 is: 29,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469.96 : 31,006.44 = 21,715.04 : x
  2. Step 2: Convert to fraction form
    22,469.96/31,006.44 = 21,715.04/x
  3. Step 3: Cross multiply
    22,469.96x = 31,006.44 × 21,715.04
  4. Step 4: Simplify right side
    22,469.96x = 673,306,084.86
  5. Step 5: Solve for x
    x = 673,306,084.86/22,469.96
  6. Step 6: Final answer
    x = 29,964.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.