Home / 87,728.37-131,610.32-28,548.15

Finding the Fourth Proportional to 87,728.37, 131,610.32 and 28,548.15

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Solution

The fourth proportional to 87,728.37, 131,610.32 and 28,548.15 is: 42,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,728.37 : 131,610.32 = 28,548.15 : x
  2. Step 2: Convert to fraction form
    87,728.37/131,610.32 = 28,548.15/x
  3. Step 3: Cross multiply
    87,728.37x = 131,610.32 × 28,548.15
  4. Step 4: Simplify right side
    87,728.37x = 3,757,230,627.68
  5. Step 5: Solve for x
    x = 3,757,230,627.68/87,728.37
  6. Step 6: Final answer
    x = 42,828.00

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1.5x scale

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.