Home / 28,183.23-38,890.04-16,850.47

Finding the Fourth Proportional to 28,183.23, 38,890.04 and 16,850.47

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Solution

The fourth proportional to 28,183.23, 38,890.04 and 16,850.47 is: 23,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.23 : 38,890.04 = 16,850.47 : x
  2. Step 2: Convert to fraction form
    28,183.23/38,890.04 = 16,850.47/x
  3. Step 3: Cross multiply
    28,183.23x = 38,890.04 × 16,850.47
  4. Step 4: Simplify right side
    28,183.23x = 655,315,452.32
  5. Step 5: Solve for x
    x = 655,315,452.32/28,183.23
  6. Step 6: Final answer
    x = 23,251.96

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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.