Home / 27,087.08-37,380.72-15,149.12

Finding the Fourth Proportional to 27,087.08, 37,380.72 and 15,149.12

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Solution

The fourth proportional to 27,087.08, 37,380.72 and 15,149.12 is: 20,906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.08 : 37,380.72 = 15,149.12 : x
  2. Step 2: Convert to fraction form
    27,087.08/37,380.72 = 15,149.12/x
  3. Step 3: Cross multiply
    27,087.08x = 37,380.72 × 15,149.12
  4. Step 4: Simplify right side
    27,087.08x = 566,285,012.97
  5. Step 5: Solve for x
    x = 566,285,012.97/27,087.08
  6. Step 6: Final answer
    x = 20,906.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.