Home / 27,701.82-38,229.89-15,766.26

Finding the Fourth Proportional to 27,701.82, 38,229.89 and 15,766.26

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Solution

The fourth proportional to 27,701.82, 38,229.89 and 15,766.26 is: 21,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.82 : 38,229.89 = 15,766.26 : x
  2. Step 2: Convert to fraction form
    27,701.82/38,229.89 = 15,766.26/x
  3. Step 3: Cross multiply
    27,701.82x = 38,229.89 × 15,766.26
  4. Step 4: Simplify right side
    27,701.82x = 602,742,306.68
  5. Step 5: Solve for x
    x = 602,742,306.68/27,701.82
  6. Step 6: Final answer
    x = 21,758.22

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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.