Home / 40,382.75-60,576.35-15,424.85

Finding the Fourth Proportional to 40,382.75, 60,576.35 and 15,424.85

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Solution

The fourth proportional to 40,382.75, 60,576.35 and 15,424.85 is: 23,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,382.75 : 60,576.35 = 15,424.85 : x
  2. Step 2: Convert to fraction form
    40,382.75/60,576.35 = 15,424.85/x
  3. Step 3: Cross multiply
    40,382.75x = 60,576.35 × 15,424.85
  4. Step 4: Simplify right side
    40,382.75x = 934,381,112.30
  5. Step 5: Solve for x
    x = 934,381,112.30/40,382.75
  6. Step 6: Final answer
    x = 23,138.12

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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.