Home / 26,327.85-39,481.65-20,716.56

Finding the Fourth Proportional to 26,327.85, 39,481.65 and 20,716.56

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Solution

The fourth proportional to 26,327.85, 39,481.65 and 20,716.56 is: 31,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,327.85 : 39,481.65 = 20,716.56 : x
  2. Step 2: Convert to fraction form
    26,327.85/39,481.65 = 20,716.56/x
  3. Step 3: Cross multiply
    26,327.85x = 39,481.65 × 20,716.56
  4. Step 4: Simplify right side
    26,327.85x = 817,923,867.54
  5. Step 5: Solve for x
    x = 817,923,867.54/26,327.85
  6. Step 6: Final answer
    x = 31,066.87

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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.