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Finding the Fourth Proportional to 41,856.62, 62,786.21 and 15,208.02

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Solution

The fourth proportional to 41,856.62, 62,786.21 and 15,208.02 is: 22,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,856.62 : 62,786.21 = 15,208.02 : x
  2. Step 2: Convert to fraction form
    41,856.62/62,786.21 = 15,208.02/x
  3. Step 3: Cross multiply
    41,856.62x = 62,786.21 × 15,208.02
  4. Step 4: Simplify right side
    41,856.62x = 954,853,861.36
  5. Step 5: Solve for x
    x = 954,853,861.36/41,856.62
  6. Step 6: Final answer
    x = 22,812.50

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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.