Home / 40,288.62-60,432.66-15,664.62

Finding the Fourth Proportional to 40,288.62, 60,432.66 and 15,664.62

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Solution

The fourth proportional to 40,288.62, 60,432.66 and 15,664.62 is: 23,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288.62 : 60,432.66 = 15,664.62 : x
  2. Step 2: Convert to fraction form
    40,288.62/60,432.66 = 15,664.62/x
  3. Step 3: Cross multiply
    40,288.62x = 60,432.66 × 15,664.62
  4. Step 4: Simplify right side
    40,288.62x = 946,654,654.49
  5. Step 5: Solve for x
    x = 946,654,654.49/40,288.62
  6. Step 6: Final answer
    x = 23,496.83

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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.