Home / 17,228.28-25,826.82-11,965.78

Finding the Fourth Proportional to 17,228.28, 25,826.82 and 11,965.78

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Solution

The fourth proportional to 17,228.28, 25,826.82 and 11,965.78 is: 17,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.28 : 25,826.82 = 11,965.78 : x
  2. Step 2: Convert to fraction form
    17,228.28/25,826.82 = 11,965.78/x
  3. Step 3: Cross multiply
    17,228.28x = 25,826.82 × 11,965.78
  4. Step 4: Simplify right side
    17,228.28x = 309,037,953.46
  5. Step 5: Solve for x
    x = 309,037,953.46/17,228.28
  6. Step 6: Final answer
    x = 17,937.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.