Home / 26,281.87-39,408.22-8,742.13

Finding the Fourth Proportional to 26,281.87, 39,408.22 and 8,742.13

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Solution

The fourth proportional to 26,281.87, 39,408.22 and 8,742.13 is: 13,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.87 : 39,408.22 = 8,742.13 : x
  2. Step 2: Convert to fraction form
    26,281.87/39,408.22 = 8,742.13/x
  3. Step 3: Cross multiply
    26,281.87x = 39,408.22 × 8,742.13
  4. Step 4: Simplify right side
    26,281.87x = 344,511,694.72
  5. Step 5: Solve for x
    x = 344,511,694.72/26,281.87
  6. Step 6: Final answer
    x = 13,108.34

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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.