Home / 27,149.99-40,725.79-10,279.31

Finding the Fourth Proportional to 27,149.99, 40,725.79 and 10,279.31

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Solution

The fourth proportional to 27,149.99, 40,725.79 and 10,279.31 is: 15,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,149.99 : 40,725.79 = 10,279.31 : x
  2. Step 2: Convert to fraction form
    27,149.99/40,725.79 = 10,279.31/x
  3. Step 3: Cross multiply
    27,149.99x = 40,725.79 × 10,279.31
  4. Step 4: Simplify right side
    27,149.99x = 418,632,791.08
  5. Step 5: Solve for x
    x = 418,632,791.08/27,149.99
  6. Step 6: Final answer
    x = 15,419.26

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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.