Home / 26,949.10-40,442.10-9,418.93

Finding the Fourth Proportional to 26,949.10, 40,442.10 and 9,418.93

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Solution

The fourth proportional to 26,949.10, 40,442.10 and 9,418.93 is: 14,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949.10 : 40,442.10 = 9,418.93 : x
  2. Step 2: Convert to fraction form
    26,949.10/40,442.10 = 9,418.93/x
  3. Step 3: Cross multiply
    26,949.10x = 40,442.10 × 9,418.93
  4. Step 4: Simplify right side
    26,949.10x = 380,921,308.95
  5. Step 5: Solve for x
    x = 380,921,308.95/26,949.10
  6. Step 6: Final answer
    x = 14,134.84

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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.