Home / 26,514.13-39,736.79-12,277.21

Finding the Fourth Proportional to 26,514.13, 39,736.79 and 12,277.21

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Solution

The fourth proportional to 26,514.13, 39,736.79 and 12,277.21 is: 18,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,514.13 : 39,736.79 = 12,277.21 : x
  2. Step 2: Convert to fraction form
    26,514.13/39,736.79 = 12,277.21/x
  3. Step 3: Cross multiply
    26,514.13x = 39,736.79 × 12,277.21
  4. Step 4: Simplify right side
    26,514.13x = 487,856,915.56
  5. Step 5: Solve for x
    x = 487,856,915.56/26,514.13
  6. Step 6: Final answer
    x = 18,399.89

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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.