Home / 27,451.35-41,128.38-12,629.16

Finding the Fourth Proportional to 27,451.35, 41,128.38 and 12,629.16

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Solution

The fourth proportional to 27,451.35, 41,128.38 and 12,629.16 is: 18,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,451.35 : 41,128.38 = 12,629.16 : x
  2. Step 2: Convert to fraction form
    27,451.35/41,128.38 = 12,629.16/x
  3. Step 3: Cross multiply
    27,451.35x = 41,128.38 × 12,629.16
  4. Step 4: Simplify right side
    27,451.35x = 519,416,891.56
  5. Step 5: Solve for x
    x = 519,416,891.56/27,451.35
  6. Step 6: Final answer
    x = 18,921.36

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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.