Home / 27,912.18-41,872.46-8,188.41

Finding the Fourth Proportional to 27,912.18, 41,872.46 and 8,188.41

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Solution

The fourth proportional to 27,912.18, 41,872.46 and 8,188.41 is: 12,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.18 : 41,872.46 = 8,188.41 : x
  2. Step 2: Convert to fraction form
    27,912.18/41,872.46 = 8,188.41/x
  3. Step 3: Cross multiply
    27,912.18x = 41,872.46 × 8,188.41
  4. Step 4: Simplify right side
    27,912.18x = 342,868,829.25
  5. Step 5: Solve for x
    x = 342,868,829.25/27,912.18
  6. Step 6: Final answer
    x = 12,283.84

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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.