Home / 28,183.56-38,890.62-16,850.80

Finding the Fourth Proportional to 28,183.56, 38,890.62 and 16,850.80

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Solution

The fourth proportional to 28,183.56, 38,890.62 and 16,850.80 is: 23,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.56 : 38,890.62 = 16,850.80 : x
  2. Step 2: Convert to fraction form
    28,183.56/38,890.62 = 16,850.80/x
  3. Step 3: Cross multiply
    28,183.56x = 38,890.62 × 16,850.80
  4. Step 4: Simplify right side
    28,183.56x = 655,338,059.50
  5. Step 5: Solve for x
    x = 655,338,059.50/28,183.56
  6. Step 6: Final answer
    x = 23,252.49

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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.