Home / 87,792.41-131,709.57-28,628.15

Finding the Fourth Proportional to 87,792.41, 131,709.57 and 28,628.15

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Solution

The fourth proportional to 87,792.41, 131,709.57 and 28,628.15 is: 42,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,792.41 : 131,709.57 = 28,628.15 : x
  2. Step 2: Convert to fraction form
    87,792.41/131,709.57 = 28,628.15/x
  3. Step 3: Cross multiply
    87,792.41x = 131,709.57 × 28,628.15
  4. Step 4: Simplify right side
    87,792.41x = 3,770,601,326.40
  5. Step 5: Solve for x
    x = 3,770,601,326.40/87,792.41
  6. Step 6: Final answer
    x = 42,949.06

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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.