Home / 27,791.40-41,687.10-18,492.60

Finding the Fourth Proportional to 27,791.40, 41,687.10 and 18,492.60

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Solution

The fourth proportional to 27,791.40, 41,687.10 and 18,492.60 is: 27,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.40 : 41,687.10 = 18,492.60 : x
  2. Step 2: Convert to fraction form
    27,791.40/41,687.10 = 18,492.60/x
  3. Step 3: Cross multiply
    27,791.40x = 41,687.10 × 18,492.60
  4. Step 4: Simplify right side
    27,791.40x = 770,902,865.46
  5. Step 5: Solve for x
    x = 770,902,865.46/27,791.40
  6. Step 6: Final answer
    x = 27,738.90

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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.