Home / 87,977.04-131,977.44-25,647

Finding the Fourth Proportional to 87,977.04, 131,977.44 and 25,647

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Solution

The fourth proportional to 87,977.04, 131,977.44 and 25,647 is: 38,473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,977.04 : 131,977.44 = 25,647 : x
  2. Step 2: Convert to fraction form
    87,977.04/131,977.44 = 25,647/x
  3. Step 3: Cross multiply
    87,977.04x = 131,977.44 × 25,647
  4. Step 4: Simplify right side
    87,977.04x = 3,384,825,403.68
  5. Step 5: Solve for x
    x = 3,384,825,403.68/87,977.04
  6. Step 6: Final answer
    x = 38,473.96

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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.