Home / 28,017.66-41,998.14-18,163.20

Finding the Fourth Proportional to 28,017.66, 41,998.14 and 18,163.20

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Solution

The fourth proportional to 28,017.66, 41,998.14 and 18,163.20 is: 27,226.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.66 : 41,998.14 = 18,163.20 : x
  2. Step 2: Convert to fraction form
    28,017.66/41,998.14 = 18,163.20/x
  3. Step 3: Cross multiply
    28,017.66x = 41,998.14 × 18,163.20
  4. Step 4: Simplify right side
    28,017.66x = 762,820,616.45
  5. Step 5: Solve for x
    x = 762,820,616.45/28,017.66
  6. Step 6: Final answer
    x = 27,226.42

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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.