Home / 26,757.56-40,137.78-11,159.48

Finding the Fourth Proportional to 26,757.56, 40,137.78 and 11,159.48

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Solution

The fourth proportional to 26,757.56, 40,137.78 and 11,159.48 is: 16,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,757.56 : 40,137.78 = 11,159.48 : x
  2. Step 2: Convert to fraction form
    26,757.56/40,137.78 = 11,159.48/x
  3. Step 3: Cross multiply
    26,757.56x = 40,137.78 × 11,159.48
  4. Step 4: Simplify right side
    26,757.56x = 447,916,753.15
  5. Step 5: Solve for x
    x = 447,916,753.15/26,757.56
  6. Step 6: Final answer
    x = 16,739.82

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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.