Home / 43,724.76-65,580.15-15,639.57

Finding the Fourth Proportional to 43,724.76, 65,580.15 and 15,639.57

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Solution

The fourth proportional to 43,724.76, 65,580.15 and 15,639.57 is: 23,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,724.76 : 65,580.15 = 15,639.57 : x
  2. Step 2: Convert to fraction form
    43,724.76/65,580.15 = 15,639.57/x
  3. Step 3: Cross multiply
    43,724.76x = 65,580.15 × 15,639.57
  4. Step 4: Simplify right side
    43,724.76x = 1,025,645,346.54
  5. Step 5: Solve for x
    x = 1,025,645,346.54/43,724.76
  6. Step 6: Final answer
    x = 23,456.85

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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.