Home / 27,940.38-41,938.11-20,524.02

Finding the Fourth Proportional to 27,940.38, 41,938.11 and 20,524.02

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Solution

The fourth proportional to 27,940.38, 41,938.11 and 20,524.02 is: 30,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.38 : 41,938.11 = 20,524.02 : x
  2. Step 2: Convert to fraction form
    27,940.38/41,938.11 = 20,524.02/x
  3. Step 3: Cross multiply
    27,940.38x = 41,938.11 × 20,524.02
  4. Step 4: Simplify right side
    27,940.38x = 860,738,608.40
  5. Step 5: Solve for x
    x = 860,738,608.40/27,940.38
  6. Step 6: Final answer
    x = 30,806.26

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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.