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Finding the Fourth Proportional to 22,589.70, 33,886.71 and 9,440.70

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Solution

The fourth proportional to 22,589.70, 33,886.71 and 9,440.70 is: 14,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,589.70 : 33,886.71 = 9,440.70 : x
  2. Step 2: Convert to fraction form
    22,589.70/33,886.71 = 9,440.70/x
  3. Step 3: Cross multiply
    22,589.70x = 33,886.71 × 9,440.70
  4. Step 4: Simplify right side
    22,589.70x = 319,914,263.10
  5. Step 5: Solve for x
    x = 319,914,263.10/22,589.70
  6. Step 6: Final answer
    x = 14,161.95

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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.