Home / 28,446.85-39,238.37-17,268.85

Finding the Fourth Proportional to 28,446.85, 39,238.37 and 17,268.85

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Solution

The fourth proportional to 28,446.85, 39,238.37 and 17,268.85 is: 23,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.85 : 39,238.37 = 17,268.85 : x
  2. Step 2: Convert to fraction form
    28,446.85/39,238.37 = 17,268.85/x
  3. Step 3: Cross multiply
    28,446.85x = 39,238.37 × 17,268.85
  4. Step 4: Simplify right side
    28,446.85x = 677,601,329.58
  5. Step 5: Solve for x
    x = 677,601,329.58/28,446.85
  6. Step 6: Final answer
    x = 23,819.91

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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.