Home / 41,986.72-62,982.96-15,690.88

Finding the Fourth Proportional to 41,986.72, 62,982.96 and 15,690.88

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Solution

The fourth proportional to 41,986.72, 62,982.96 and 15,690.88 is: 23,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.72 : 62,982.96 = 15,690.88 : x
  2. Step 2: Convert to fraction form
    41,986.72/62,982.96 = 15,690.88/x
  3. Step 3: Cross multiply
    41,986.72x = 62,982.96 × 15,690.88
  4. Step 4: Simplify right side
    41,986.72x = 988,258,067.40
  5. Step 5: Solve for x
    x = 988,258,067.40/41,986.72
  6. Step 6: Final answer
    x = 23,537.40

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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.