Home / 20,516.24-30,771.62-5,723.92

Finding the Fourth Proportional to 20,516.24, 30,771.62 and 5,723.92

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Solution

The fourth proportional to 20,516.24, 30,771.62 and 5,723.92 is: 8,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.24 : 30,771.62 = 5,723.92 : x
  2. Step 2: Convert to fraction form
    20,516.24/30,771.62 = 5,723.92/x
  3. Step 3: Cross multiply
    20,516.24x = 30,771.62 × 5,723.92
  4. Step 4: Simplify right side
    20,516.24x = 176,134,291.15
  5. Step 5: Solve for x
    x = 176,134,291.15/20,516.24
  6. Step 6: Final answer
    x = 8,585.12

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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.