Home / 28,183.80-38,893.70-16,247.96

Finding the Fourth Proportional to 28,183.80, 38,893.70 and 16,247.96

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Solution

The fourth proportional to 28,183.80, 38,893.70 and 16,247.96 is: 22,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.80 : 38,893.70 = 16,247.96 : x
  2. Step 2: Convert to fraction form
    28,183.80/38,893.70 = 16,247.96/x
  3. Step 3: Cross multiply
    28,183.80x = 38,893.70 × 16,247.96
  4. Step 4: Simplify right side
    28,183.80x = 631,943,006.14
  5. Step 5: Solve for x
    x = 631,943,006.14/28,183.80
  6. Step 6: Final answer
    x = 22,422.21

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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.