Home / 20,608.20-30,864.22-15,047.75

Finding the Fourth Proportional to 20,608.20, 30,864.22 and 15,047.75

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Solution

The fourth proportional to 20,608.20, 30,864.22 and 15,047.75 is: 22,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.20 : 30,864.22 = 15,047.75 : x
  2. Step 2: Convert to fraction form
    20,608.20/30,864.22 = 15,047.75/x
  3. Step 3: Cross multiply
    20,608.20x = 30,864.22 × 15,047.75
  4. Step 4: Simplify right side
    20,608.20x = 464,436,836.95
  5. Step 5: Solve for x
    x = 464,436,836.95/20,608.20
  6. Step 6: Final answer
    x = 22,536.51

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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.