Home / 28,542.73-39,364.80-17,209.75

Finding the Fourth Proportional to 28,542.73, 39,364.80 and 17,209.75

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Solution

The fourth proportional to 28,542.73, 39,364.80 and 17,209.75 is: 23,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.73 : 39,364.80 = 17,209.75 : x
  2. Step 2: Convert to fraction form
    28,542.73/39,364.80 = 17,209.75/x
  3. Step 3: Cross multiply
    28,542.73x = 39,364.80 × 17,209.75
  4. Step 4: Simplify right side
    28,542.73x = 677,458,366.80
  5. Step 5: Solve for x
    x = 677,458,366.80/28,542.73
  6. Step 6: Final answer
    x = 23,734.88

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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.