Home / 27,451.76-37,883.21-15,517.44

Finding the Fourth Proportional to 27,451.76, 37,883.21 and 15,517.44

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Solution

The fourth proportional to 27,451.76, 37,883.21 and 15,517.44 is: 21,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,451.76 : 37,883.21 = 15,517.44 : x
  2. Step 2: Convert to fraction form
    27,451.76/37,883.21 = 15,517.44/x
  3. Step 3: Cross multiply
    27,451.76x = 37,883.21 × 15,517.44
  4. Step 4: Simplify right side
    27,451.76x = 587,850,360.60
  5. Step 5: Solve for x
    x = 587,850,360.60/27,451.76
  6. Step 6: Final answer
    x = 21,413.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.