Home / 19,987.38-27,568.26-14,020.38

Finding the Fourth Proportional to 19,987.38, 27,568.26 and 14,020.38

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Solution

The fourth proportional to 19,987.38, 27,568.26 and 14,020.38 is: 19,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.38 : 27,568.26 = 14,020.38 : x
  2. Step 2: Convert to fraction form
    19,987.38/27,568.26 = 14,020.38/x
  3. Step 3: Cross multiply
    19,987.38x = 27,568.26 × 14,020.38
  4. Step 4: Simplify right side
    19,987.38x = 386,517,481.14
  5. Step 5: Solve for x
    x = 386,517,481.14/19,987.38
  6. Step 6: Final answer
    x = 19,338.08

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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.