Home / 25,100.88-34,634.76-15,667.92

Finding the Fourth Proportional to 25,100.88, 34,634.76 and 15,667.92

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Solution

The fourth proportional to 25,100.88, 34,634.76 and 15,667.92 is: 21,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,100.88 : 34,634.76 = 15,667.92 : x
  2. Step 2: Convert to fraction form
    25,100.88/34,634.76 = 15,667.92/x
  3. Step 3: Cross multiply
    25,100.88x = 34,634.76 × 15,667.92
  4. Step 4: Simplify right side
    25,100.88x = 542,654,648.90
  5. Step 5: Solve for x
    x = 542,654,648.90/25,100.88
  6. Step 6: Final answer
    x = 21,618.95

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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.