Home / 26,981.10-40,471.65-17,163.90

Finding the Fourth Proportional to 26,981.10, 40,471.65 and 17,163.90

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Solution

The fourth proportional to 26,981.10, 40,471.65 and 17,163.90 is: 25,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.10 : 40,471.65 = 17,163.90 : x
  2. Step 2: Convert to fraction form
    26,981.10/40,471.65 = 17,163.90/x
  3. Step 3: Cross multiply
    26,981.10x = 40,471.65 × 17,163.90
  4. Step 4: Simplify right side
    26,981.10x = 694,651,353.44
  5. Step 5: Solve for x
    x = 694,651,353.44/26,981.10
  6. Step 6: Final answer
    x = 25,745.85

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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.