Home / 26,319.18-39,434.94-18,511.56

Finding the Fourth Proportional to 26,319.18, 39,434.94 and 18,511.56

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Solution

The fourth proportional to 26,319.18, 39,434.94 and 18,511.56 is: 27,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.18 : 39,434.94 = 18,511.56 : x
  2. Step 2: Convert to fraction form
    26,319.18/39,434.94 = 18,511.56/x
  3. Step 3: Cross multiply
    26,319.18x = 39,434.94 × 18,511.56
  4. Step 4: Simplify right side
    26,319.18x = 730,002,257.91
  5. Step 5: Solve for x
    x = 730,002,257.91/26,319.18
  6. Step 6: Final answer
    x = 27,736.51

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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.