Home / 26,790.62-40,163.25-16,380.50

Finding the Fourth Proportional to 26,790.62, 40,163.25 and 16,380.50

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Solution

The fourth proportional to 26,790.62, 40,163.25 and 16,380.50 is: 24,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.62 : 40,163.25 = 16,380.50 : x
  2. Step 2: Convert to fraction form
    26,790.62/40,163.25 = 16,380.50/x
  3. Step 3: Cross multiply
    26,790.62x = 40,163.25 × 16,380.50
  4. Step 4: Simplify right side
    26,790.62x = 657,894,116.63
  5. Step 5: Solve for x
    x = 657,894,116.63/26,790.62
  6. Step 6: Final answer
    x = 24,556.88

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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.