Home / 28,435.05-39,229.38-16,496.19

Finding the Fourth Proportional to 28,435.05, 39,229.38 and 16,496.19

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Solution

The fourth proportional to 28,435.05, 39,229.38 and 16,496.19 is: 22,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435.05 : 39,229.38 = 16,496.19 : x
  2. Step 2: Convert to fraction form
    28,435.05/39,229.38 = 16,496.19/x
  3. Step 3: Cross multiply
    28,435.05x = 39,229.38 × 16,496.19
  4. Step 4: Simplify right side
    28,435.05x = 647,135,306.06
  5. Step 5: Solve for x
    x = 647,135,306.06/28,435.05
  6. Step 6: Final answer
    x = 22,758.37

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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.