Home / 28,049.10-38,707.75-15,473.85

Finding the Fourth Proportional to 28,049.10, 38,707.75 and 15,473.85

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Solution

The fourth proportional to 28,049.10, 38,707.75 and 15,473.85 is: 21,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.10 : 38,707.75 = 15,473.85 : x
  2. Step 2: Convert to fraction form
    28,049.10/38,707.75 = 15,473.85/x
  3. Step 3: Cross multiply
    28,049.10x = 38,707.75 × 15,473.85
  4. Step 4: Simplify right side
    28,049.10x = 598,957,704.46
  5. Step 5: Solve for x
    x = 598,957,704.46/28,049.10
  6. Step 6: Final answer
    x = 21,353.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.