Home / 28,049.20-42,061.48-10,506.73

Finding the Fourth Proportional to 28,049.20, 42,061.48 and 10,506.73

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Solution

The fourth proportional to 28,049.20, 42,061.48 and 10,506.73 is: 15,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.20 : 42,061.48 = 10,506.73 : x
  2. Step 2: Convert to fraction form
    28,049.20/42,061.48 = 10,506.73/x
  3. Step 3: Cross multiply
    28,049.20x = 42,061.48 × 10,506.73
  4. Step 4: Simplify right side
    28,049.20x = 441,928,613.76
  5. Step 5: Solve for x
    x = 441,928,613.76/28,049.20
  6. Step 6: Final answer
    x = 15,755.48

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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.