Home / 87,752.56-131,628.74-28,588.14

Finding the Fourth Proportional to 87,752.56, 131,628.74 and 28,588.14

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Solution

The fourth proportional to 87,752.56, 131,628.74 and 28,588.14 is: 42,882.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,752.56 : 131,628.74 = 28,588.14 : x
  2. Step 2: Convert to fraction form
    87,752.56/131,628.74 = 28,588.14/x
  3. Step 3: Cross multiply
    87,752.56x = 131,628.74 × 28,588.14
  4. Step 4: Simplify right side
    87,752.56x = 3,763,020,847.14
  5. Step 5: Solve for x
    x = 3,763,020,847.14/87,752.56
  6. Step 6: Final answer
    x = 42,882.18

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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.