Home / 26,489.76-39,741.36-12,447.04

Finding the Fourth Proportional to 26,489.76, 39,741.36 and 12,447.04

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Solution

The fourth proportional to 26,489.76, 39,741.36 and 12,447.04 is: 18,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.76 : 39,741.36 = 12,447.04 : x
  2. Step 2: Convert to fraction form
    26,489.76/39,741.36 = 12,447.04/x
  3. Step 3: Cross multiply
    26,489.76x = 39,741.36 × 12,447.04
  4. Step 4: Simplify right side
    26,489.76x = 494,662,297.57
  5. Step 5: Solve for x
    x = 494,662,297.57/26,489.76
  6. Step 6: Final answer
    x = 18,673.72

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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.