Home / 26,716.25-40,066.85-7,991.82

Finding the Fourth Proportional to 26,716.25, 40,066.85 and 7,991.82

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Solution

The fourth proportional to 26,716.25, 40,066.85 and 7,991.82 is: 11,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,716.25 : 40,066.85 = 7,991.82 : x
  2. Step 2: Convert to fraction form
    26,716.25/40,066.85 = 7,991.82/x
  3. Step 3: Cross multiply
    26,716.25x = 40,066.85 × 7,991.82
  4. Step 4: Simplify right side
    26,716.25x = 320,207,073.15
  5. Step 5: Solve for x
    x = 320,207,073.15/26,716.25
  6. Step 6: Final answer
    x = 11,985.48

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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.