Home / 28,748.25-39,676.23-16,175.43

Finding the Fourth Proportional to 28,748.25, 39,676.23 and 16,175.43

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Solution

The fourth proportional to 28,748.25, 39,676.23 and 16,175.43 is: 22,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.25 : 39,676.23 = 16,175.43 : x
  2. Step 2: Convert to fraction form
    28,748.25/39,676.23 = 16,175.43/x
  3. Step 3: Cross multiply
    28,748.25x = 39,676.23 × 16,175.43
  4. Step 4: Simplify right side
    28,748.25x = 641,780,081.03
  5. Step 5: Solve for x
    x = 641,780,081.03/28,748.25
  6. Step 6: Final answer
    x = 22,324.14

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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.