Home / 20,653.44-30,931.92-15,092.88

Finding the Fourth Proportional to 20,653.44, 30,931.92 and 15,092.88

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Solution

The fourth proportional to 20,653.44, 30,931.92 and 15,092.88 is: 22,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653.44 : 30,931.92 = 15,092.88 : x
  2. Step 2: Convert to fraction form
    20,653.44/30,931.92 = 15,092.88/x
  3. Step 3: Cross multiply
    20,653.44x = 30,931.92 × 15,092.88
  4. Step 4: Simplify right side
    20,653.44x = 466,851,756.73
  5. Step 5: Solve for x
    x = 466,851,756.73/20,653.44
  6. Step 6: Final answer
    x = 22,604.07

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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.