Home / 26,217.26-39,331.66-19,270.70

Finding the Fourth Proportional to 26,217.26, 39,331.66 and 19,270.70

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Solution

The fourth proportional to 26,217.26, 39,331.66 and 19,270.70 is: 28,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,217.26 : 39,331.66 = 19,270.70 : x
  2. Step 2: Convert to fraction form
    26,217.26/39,331.66 = 19,270.70/x
  3. Step 3: Cross multiply
    26,217.26x = 39,331.66 × 19,270.70
  4. Step 4: Simplify right side
    26,217.26x = 757,948,620.36
  5. Step 5: Solve for x
    x = 757,948,620.36/26,217.26
  6. Step 6: Final answer
    x = 28,910.29

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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.