Home / 27,738.12-41,572.62-13,891.08

Finding the Fourth Proportional to 27,738.12, 41,572.62 and 13,891.08

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Solution

The fourth proportional to 27,738.12, 41,572.62 and 13,891.08 is: 20,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,738.12 : 41,572.62 = 13,891.08 : x
  2. Step 2: Convert to fraction form
    27,738.12/41,572.62 = 13,891.08/x
  3. Step 3: Cross multiply
    27,738.12x = 41,572.62 × 13,891.08
  4. Step 4: Simplify right side
    27,738.12x = 577,488,590.23
  5. Step 5: Solve for x
    x = 577,488,590.23/27,738.12
  6. Step 6: Final answer
    x = 20,819.31

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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.