Home / 26,486.19-39,727.22-12,449.30

Finding the Fourth Proportional to 26,486.19, 39,727.22 and 12,449.30

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Solution

The fourth proportional to 26,486.19, 39,727.22 and 12,449.30 is: 18,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.19 : 39,727.22 = 12,449.30 : x
  2. Step 2: Convert to fraction form
    26,486.19/39,727.22 = 12,449.30/x
  3. Step 3: Cross multiply
    26,486.19x = 39,727.22 × 12,449.30
  4. Step 4: Simplify right side
    26,486.19x = 494,575,819.06
  5. Step 5: Solve for x
    x = 494,575,819.06/26,486.19
  6. Step 6: Final answer
    x = 18,672.97

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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.