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Finding the Fourth Proportional to 22,640.35, 33,963.76 and 7,059.19

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Solution

The fourth proportional to 22,640.35, 33,963.76 and 7,059.19 is: 10,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.35 : 33,963.76 = 7,059.19 : x
  2. Step 2: Convert to fraction form
    22,640.35/33,963.76 = 7,059.19/x
  3. Step 3: Cross multiply
    22,640.35x = 33,963.76 × 7,059.19
  4. Step 4: Simplify right side
    22,640.35x = 239,756,634.95
  5. Step 5: Solve for x
    x = 239,756,634.95/22,640.35
  6. Step 6: Final answer
    x = 10,589.79

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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.