Home / 28,761.48-43,103.34-25,340.04

Finding the Fourth Proportional to 28,761.48, 43,103.34 and 25,340.04

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Solution

The fourth proportional to 28,761.48, 43,103.34 and 25,340.04 is: 37,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.48 : 43,103.34 = 25,340.04 : x
  2. Step 2: Convert to fraction form
    28,761.48/43,103.34 = 25,340.04/x
  3. Step 3: Cross multiply
    28,761.48x = 43,103.34 × 25,340.04
  4. Step 4: Simplify right side
    28,761.48x = 1,092,240,359.73
  5. Step 5: Solve for x
    x = 1,092,240,359.73/28,761.48
  6. Step 6: Final answer
    x = 37,975.81

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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.