Home / 20,527.86-30,766.26-9,422.76

Finding the Fourth Proportional to 20,527.86, 30,766.26 and 9,422.76

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Solution

The fourth proportional to 20,527.86, 30,766.26 and 9,422.76 is: 14,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.86 : 30,766.26 = 9,422.76 : x
  2. Step 2: Convert to fraction form
    20,527.86/30,766.26 = 9,422.76/x
  3. Step 3: Cross multiply
    20,527.86x = 30,766.26 × 9,422.76
  4. Step 4: Simplify right side
    20,527.86x = 289,903,084.08
  5. Step 5: Solve for x
    x = 289,903,084.08/20,527.86
  6. Step 6: Final answer
    x = 14,122.42

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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.