Home / 28,494.73-39,324.11-17,167.78

Finding the Fourth Proportional to 28,494.73, 39,324.11 and 17,167.78

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Solution

The fourth proportional to 28,494.73, 39,324.11 and 17,167.78 is: 23,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,494.73 : 39,324.11 = 17,167.78 : x
  2. Step 2: Convert to fraction form
    28,494.73/39,324.11 = 17,167.78/x
  3. Step 3: Cross multiply
    28,494.73x = 39,324.11 × 17,167.78
  4. Step 4: Simplify right side
    28,494.73x = 675,107,669.18
  5. Step 5: Solve for x
    x = 675,107,669.18/28,494.73
  6. Step 6: Final answer
    x = 23,692.37

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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.