Home / 29,640.85-40,902.28-16,211.82

Finding the Fourth Proportional to 29,640.85, 40,902.28 and 16,211.82

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Solution

The fourth proportional to 29,640.85, 40,902.28 and 16,211.82 is: 22,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.85 : 40,902.28 = 16,211.82 : x
  2. Step 2: Convert to fraction form
    29,640.85/40,902.28 = 16,211.82/x
  3. Step 3: Cross multiply
    29,640.85x = 40,902.28 × 16,211.82
  4. Step 4: Simplify right side
    29,640.85x = 663,100,400.95
  5. Step 5: Solve for x
    x = 663,100,400.95/29,640.85
  6. Step 6: Final answer
    x = 22,371.17

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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.