Home / 28,791.75-43,162.14-11,249.31

Finding the Fourth Proportional to 28,791.75, 43,162.14 and 11,249.31

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Solution

The fourth proportional to 28,791.75, 43,162.14 and 11,249.31 is: 16,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.75 : 43,162.14 = 11,249.31 : x
  2. Step 2: Convert to fraction form
    28,791.75/43,162.14 = 11,249.31/x
  3. Step 3: Cross multiply
    28,791.75x = 43,162.14 × 11,249.31
  4. Step 4: Simplify right side
    28,791.75x = 485,544,293.12
  5. Step 5: Solve for x
    x = 485,544,293.12/28,791.75
  6. Step 6: Final answer
    x = 16,864.01

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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.