Home / 20,229.36-27,929.49-13,062.48

Finding the Fourth Proportional to 20,229.36, 27,929.49 and 13,062.48

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Solution

The fourth proportional to 20,229.36, 27,929.49 and 13,062.48 is: 18,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.36 : 27,929.49 = 13,062.48 : x
  2. Step 2: Convert to fraction form
    20,229.36/27,929.49 = 13,062.48/x
  3. Step 3: Cross multiply
    20,229.36x = 27,929.49 × 13,062.48
  4. Step 4: Simplify right side
    20,229.36x = 364,828,404.54
  5. Step 5: Solve for x
    x = 364,828,404.54/20,229.36
  6. Step 6: Final answer
    x = 18,034.60

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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.