Home / 41,986.72-62,977.92-15,689.40

Finding the Fourth Proportional to 41,986.72, 62,977.92 and 15,689.40

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Solution

The fourth proportional to 41,986.72, 62,977.92 and 15,689.40 is: 23,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.72 : 62,977.92 = 15,689.40 : x
  2. Step 2: Convert to fraction form
    41,986.72/62,977.92 = 15,689.40/x
  3. Step 3: Cross multiply
    41,986.72x = 62,977.92 × 15,689.40
  4. Step 4: Simplify right side
    41,986.72x = 988,085,778.05
  5. Step 5: Solve for x
    x = 988,085,778.05/41,986.72
  6. Step 6: Final answer
    x = 23,533.29

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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.