Home / 86,857.20-130,286.28-24,527.76

Finding the Fourth Proportional to 86,857.20, 130,286.28 and 24,527.76

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Solution

The fourth proportional to 86,857.20, 130,286.28 and 24,527.76 is: 36,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,857.20 : 130,286.28 = 24,527.76 : x
  2. Step 2: Convert to fraction form
    86,857.20/130,286.28 = 24,527.76/x
  3. Step 3: Cross multiply
    86,857.20x = 130,286.28 × 24,527.76
  4. Step 4: Simplify right side
    86,857.20x = 3,195,630,607.13
  5. Step 5: Solve for x
    x = 3,195,630,607.13/86,857.20
  6. Step 6: Final answer
    x = 36,791.78

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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.