Home / 20,370.88-30,565.03-8,527.42

Finding the Fourth Proportional to 20,370.88, 30,565.03 and 8,527.42

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Solution

The fourth proportional to 20,370.88, 30,565.03 and 8,527.42 is: 12,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370.88 : 30,565.03 = 8,527.42 : x
  2. Step 2: Convert to fraction form
    20,370.88/30,565.03 = 8,527.42/x
  3. Step 3: Cross multiply
    20,370.88x = 30,565.03 × 8,527.42
  4. Step 4: Simplify right side
    20,370.88x = 260,640,895.48
  5. Step 5: Solve for x
    x = 260,640,895.48/20,370.88
  6. Step 6: Final answer
    x = 12,794.78

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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.