Home / 26,942.19-40,418.18-11,138.64

Finding the Fourth Proportional to 26,942.19, 40,418.18 and 11,138.64

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Solution

The fourth proportional to 26,942.19, 40,418.18 and 11,138.64 is: 16,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.19 : 40,418.18 = 11,138.64 : x
  2. Step 2: Convert to fraction form
    26,942.19/40,418.18 = 11,138.64/x
  3. Step 3: Cross multiply
    26,942.19x = 40,418.18 × 11,138.64
  4. Step 4: Simplify right side
    26,942.19x = 450,203,500.78
  5. Step 5: Solve for x
    x = 450,203,500.78/26,942.19
  6. Step 6: Final answer
    x = 16,709.98

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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.