Home / 20,565.28-30,850.26-10,027.77

Finding the Fourth Proportional to 20,565.28, 30,850.26 and 10,027.77

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Solution

The fourth proportional to 20,565.28, 30,850.26 and 10,027.77 is: 15,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.28 : 30,850.26 = 10,027.77 : x
  2. Step 2: Convert to fraction form
    20,565.28/30,850.26 = 10,027.77/x
  3. Step 3: Cross multiply
    20,565.28x = 30,850.26 × 10,027.77
  4. Step 4: Simplify right side
    20,565.28x = 309,359,311.72
  5. Step 5: Solve for x
    x = 309,359,311.72/20,565.28
  6. Step 6: Final answer
    x = 15,042.80

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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.