Home / 17,110.20-25,628.85-13,829.70

Finding the Fourth Proportional to 17,110.20, 25,628.85 and 13,829.70

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Solution

The fourth proportional to 17,110.20, 25,628.85 and 13,829.70 is: 20,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.20 : 25,628.85 = 13,829.70 : x
  2. Step 2: Convert to fraction form
    17,110.20/25,628.85 = 13,829.70/x
  3. Step 3: Cross multiply
    17,110.20x = 25,628.85 × 13,829.70
  4. Step 4: Simplify right side
    17,110.20x = 354,439,306.85
  5. Step 5: Solve for x
    x = 354,439,306.85/17,110.20
  6. Step 6: Final answer
    x = 20,715.09

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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.