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Finding the Fourth Proportional to 23,786.70, 35,680.05 and 14,909.10

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Solution

The fourth proportional to 23,786.70, 35,680.05 and 14,909.10 is: 22,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,786.70 : 35,680.05 = 14,909.10 : x
  2. Step 2: Convert to fraction form
    23,786.70/35,680.05 = 14,909.10/x
  3. Step 3: Cross multiply
    23,786.70x = 35,680.05 × 14,909.10
  4. Step 4: Simplify right side
    23,786.70x = 531,957,433.46
  5. Step 5: Solve for x
    x = 531,957,433.46/23,786.70
  6. Step 6: Final answer
    x = 22,363.65

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Double scale
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Similar ratio
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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.