Home / 27,115.20-37,418.96-15,178.54

Finding the Fourth Proportional to 27,115.20, 37,418.96 and 15,178.54

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Solution

The fourth proportional to 27,115.20, 37,418.96 and 15,178.54 is: 20,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.20 : 37,418.96 = 15,178.54 : x
  2. Step 2: Convert to fraction form
    27,115.20/37,418.96 = 15,178.54/x
  3. Step 3: Cross multiply
    27,115.20x = 37,418.96 × 15,178.54
  4. Step 4: Simplify right side
    27,115.20x = 567,965,181.12
  5. Step 5: Solve for x
    x = 567,965,181.12/27,115.20
  6. Step 6: Final answer
    x = 20,946.38

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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.