Home / 26,530.98-39,745.89-13,671.42

Finding the Fourth Proportional to 26,530.98, 39,745.89 and 13,671.42

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Solution

The fourth proportional to 26,530.98, 39,745.89 and 13,671.42 is: 20,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.98 : 39,745.89 = 13,671.42 : x
  2. Step 2: Convert to fraction form
    26,530.98/39,745.89 = 13,671.42/x
  3. Step 3: Cross multiply
    26,530.98x = 39,745.89 × 13,671.42
  4. Step 4: Simplify right side
    26,530.98x = 543,382,755.46
  5. Step 5: Solve for x
    x = 543,382,755.46/26,530.98
  6. Step 6: Final answer
    x = 20,481.07

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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.