Home / 27,954.20-41,931.30-18,104.60

Finding the Fourth Proportional to 27,954.20, 41,931.30 and 18,104.60

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Solution

The fourth proportional to 27,954.20, 41,931.30 and 18,104.60 is: 27,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.20 : 41,931.30 = 18,104.60 : x
  2. Step 2: Convert to fraction form
    27,954.20/41,931.30 = 18,104.60/x
  3. Step 3: Cross multiply
    27,954.20x = 41,931.30 × 18,104.60
  4. Step 4: Simplify right side
    27,954.20x = 759,149,413.98
  5. Step 5: Solve for x
    x = 759,149,413.98/27,954.20
  6. Step 6: Final answer
    x = 27,156.90

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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.