Home / 28,608.97-39,471.21-17,281.83

Finding the Fourth Proportional to 28,608.97, 39,471.21 and 17,281.83

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Solution

The fourth proportional to 28,608.97, 39,471.21 and 17,281.83 is: 23,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.97 : 39,471.21 = 17,281.83 : x
  2. Step 2: Convert to fraction form
    28,608.97/39,471.21 = 17,281.83/x
  3. Step 3: Cross multiply
    28,608.97x = 39,471.21 × 17,281.83
  4. Step 4: Simplify right side
    28,608.97x = 682,134,741.11
  5. Step 5: Solve for x
    x = 682,134,741.11/28,608.97
  6. Step 6: Final answer
    x = 23,843.39

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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.