Home / 26,489.85-39,734.73-12,449.85

Finding the Fourth Proportional to 26,489.85, 39,734.73 and 12,449.85

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Solution

The fourth proportional to 26,489.85, 39,734.73 and 12,449.85 is: 18,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.85 : 39,734.73 = 12,449.85 : x
  2. Step 2: Convert to fraction form
    26,489.85/39,734.73 = 12,449.85/x
  3. Step 3: Cross multiply
    26,489.85x = 39,734.73 × 12,449.85
  4. Step 4: Simplify right side
    26,489.85x = 494,691,428.29
  5. Step 5: Solve for x
    x = 494,691,428.29/26,489.85
  6. Step 6: Final answer
    x = 18,674.75

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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.