Home / 27,959.40-38,583.68-15,212.97

Finding the Fourth Proportional to 27,959.40, 38,583.68 and 15,212.97

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Solution

The fourth proportional to 27,959.40, 38,583.68 and 15,212.97 is: 20,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.40 : 38,583.68 = 15,212.97 : x
  2. Step 2: Convert to fraction form
    27,959.40/38,583.68 = 15,212.97/x
  3. Step 3: Cross multiply
    27,959.40x = 38,583.68 × 15,212.97
  4. Step 4: Simplify right side
    27,959.40x = 586,972,290.26
  5. Step 5: Solve for x
    x = 586,972,290.26/27,959.40
  6. Step 6: Final answer
    x = 20,993.74

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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.