Home / 38,921.96-58,387.04-17,858.44

Finding the Fourth Proportional to 38,921.96, 58,387.04 and 17,858.44

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Solution

The fourth proportional to 38,921.96, 58,387.04 and 17,858.44 is: 26,789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.96 : 58,387.04 = 17,858.44 : x
  2. Step 2: Convert to fraction form
    38,921.96/58,387.04 = 17,858.44/x
  3. Step 3: Cross multiply
    38,921.96x = 58,387.04 × 17,858.44
  4. Step 4: Simplify right side
    38,921.96x = 1,042,701,450.62
  5. Step 5: Solve for x
    x = 1,042,701,450.62/38,921.96
  6. Step 6: Final answer
    x = 26,789.54

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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.