Home / 26,939.35-40,408.79-10,076.61

Finding the Fourth Proportional to 26,939.35, 40,408.79 and 10,076.61

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Solution

The fourth proportional to 26,939.35, 40,408.79 and 10,076.61 is: 15,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.35 : 40,408.79 = 10,076.61 : x
  2. Step 2: Convert to fraction form
    26,939.35/40,408.79 = 10,076.61/x
  3. Step 3: Cross multiply
    26,939.35x = 40,408.79 × 10,076.61
  4. Step 4: Simplify right side
    26,939.35x = 407,183,567.02
  5. Step 5: Solve for x
    x = 407,183,567.02/26,939.35
  6. Step 6: Final answer
    x = 15,114.83

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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.