Home / 28,791.70-43,187.56-11,249.24

Finding the Fourth Proportional to 28,791.70, 43,187.56 and 11,249.24

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Solution

The fourth proportional to 28,791.70, 43,187.56 and 11,249.24 is: 16,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.70 : 43,187.56 = 11,249.24 : x
  2. Step 2: Convert to fraction form
    28,791.70/43,187.56 = 11,249.24/x
  3. Step 3: Cross multiply
    28,791.70x = 43,187.56 × 11,249.24
  4. Step 4: Simplify right side
    28,791.70x = 485,826,983.39
  5. Step 5: Solve for x
    x = 485,826,983.39/28,791.70
  6. Step 6: Final answer
    x = 16,873.86

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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.