Home / 26,939.24-40,408.92-13,078.52

Finding the Fourth Proportional to 26,939.24, 40,408.92 and 13,078.52

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Solution

The fourth proportional to 26,939.24, 40,408.92 and 13,078.52 is: 19,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.24 : 40,408.92 = 13,078.52 : x
  2. Step 2: Convert to fraction form
    26,939.24/40,408.92 = 13,078.52/x
  3. Step 3: Cross multiply
    26,939.24x = 40,408.92 × 13,078.52
  4. Step 4: Simplify right side
    26,939.24x = 528,488,868.40
  5. Step 5: Solve for x
    x = 528,488,868.40/26,939.24
  6. Step 6: Final answer
    x = 19,617.81

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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.