Home / 28,896.86-43,338.93-9,170.66

Finding the Fourth Proportional to 28,896.86, 43,338.93 and 9,170.66

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Solution

The fourth proportional to 28,896.86, 43,338.93 and 9,170.66 is: 13,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.86 : 43,338.93 = 9,170.66 : x
  2. Step 2: Convert to fraction form
    28,896.86/43,338.93 = 9,170.66/x
  3. Step 3: Cross multiply
    28,896.86x = 43,338.93 × 9,170.66
  4. Step 4: Simplify right side
    28,896.86x = 397,446,375.10
  5. Step 5: Solve for x
    x = 397,446,375.10/28,896.86
  6. Step 6: Final answer
    x = 13,753.97

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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.