Home / 26,911.20-40,353.84-9,380.64

Finding the Fourth Proportional to 26,911.20, 40,353.84 and 9,380.64

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Solution

The fourth proportional to 26,911.20, 40,353.84 and 9,380.64 is: 14,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911.20 : 40,353.84 = 9,380.64 : x
  2. Step 2: Convert to fraction form
    26,911.20/40,353.84 = 9,380.64/x
  3. Step 3: Cross multiply
    26,911.20x = 40,353.84 × 9,380.64
  4. Step 4: Simplify right side
    26,911.20x = 378,544,845.66
  5. Step 5: Solve for x
    x = 378,544,845.66/26,911.20
  6. Step 6: Final answer
    x = 14,066.44

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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.