Home / 87,597.51-131,313.13-28,391.57

Finding the Fourth Proportional to 87,597.51, 131,313.13 and 28,391.57

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Solution

The fourth proportional to 87,597.51, 131,313.13 and 28,391.57 is: 42,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,597.51 : 131,313.13 = 28,391.57 : x
  2. Step 2: Convert to fraction form
    87,597.51/131,313.13 = 28,391.57/x
  3. Step 3: Cross multiply
    87,597.51x = 131,313.13 × 28,391.57
  4. Step 4: Simplify right side
    87,597.51x = 3,728,185,922.31
  5. Step 5: Solve for x
    x = 3,728,185,922.31/87,597.51
  6. Step 6: Final answer
    x = 42,560.41

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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.