Home / 27,129.05-40,620.67-17,214.65

Finding the Fourth Proportional to 27,129.05, 40,620.67 and 17,214.65

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Solution

The fourth proportional to 27,129.05, 40,620.67 and 17,214.65 is: 25,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.05 : 40,620.67 = 17,214.65 : x
  2. Step 2: Convert to fraction form
    27,129.05/40,620.67 = 17,214.65/x
  3. Step 3: Cross multiply
    27,129.05x = 40,620.67 × 17,214.65
  4. Step 4: Simplify right side
    27,129.05x = 699,270,616.82
  5. Step 5: Solve for x
    x = 699,270,616.82/27,129.05
  6. Step 6: Final answer
    x = 25,775.71

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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.