Home / 26,758.20-40,161.98-13,620.04

Finding the Fourth Proportional to 26,758.20, 40,161.98 and 13,620.04

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Solution

The fourth proportional to 26,758.20, 40,161.98 and 13,620.04 is: 20,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.20 : 40,161.98 = 13,620.04 : x
  2. Step 2: Convert to fraction form
    26,758.20/40,161.98 = 13,620.04/x
  3. Step 3: Cross multiply
    26,758.20x = 40,161.98 × 13,620.04
  4. Step 4: Simplify right side
    26,758.20x = 547,007,774.08
  5. Step 5: Solve for x
    x = 547,007,774.08/26,758.20
  6. Step 6: Final answer
    x = 20,442.62

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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.