Home / 26,791.60-40,187.20-8,071.56

Finding the Fourth Proportional to 26,791.60, 40,187.20 and 8,071.56

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Solution

The fourth proportional to 26,791.60, 40,187.20 and 8,071.56 is: 12,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.60 : 40,187.20 = 8,071.56 : x
  2. Step 2: Convert to fraction form
    26,791.60/40,187.20 = 8,071.56/x
  3. Step 3: Cross multiply
    26,791.60x = 40,187.20 × 8,071.56
  4. Step 4: Simplify right side
    26,791.60x = 324,373,396.03
  5. Step 5: Solve for x
    x = 324,373,396.03/26,791.60
  6. Step 6: Final answer
    x = 12,107.28

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1.5x scale

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.