Home / 28,250.97-38,993.51-19,302.09

Finding the Fourth Proportional to 28,250.97, 38,993.51 and 19,302.09

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Solution

The fourth proportional to 28,250.97, 38,993.51 and 19,302.09 is: 26,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.97 : 38,993.51 = 19,302.09 : x
  2. Step 2: Convert to fraction form
    28,250.97/38,993.51 = 19,302.09/x
  3. Step 3: Cross multiply
    28,250.97x = 38,993.51 × 19,302.09
  4. Step 4: Simplify right side
    28,250.97x = 752,656,142.93
  5. Step 5: Solve for x
    x = 752,656,142.93/28,250.97
  6. Step 6: Final answer
    x = 26,641.78

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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.