Home / 27,696.44-38,215.94-15,759.06

Finding the Fourth Proportional to 27,696.44, 38,215.94 and 15,759.06

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Solution

The fourth proportional to 27,696.44, 38,215.94 and 15,759.06 is: 21,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696.44 : 38,215.94 = 15,759.06 : x
  2. Step 2: Convert to fraction form
    27,696.44/38,215.94 = 15,759.06/x
  3. Step 3: Cross multiply
    27,696.44x = 38,215.94 × 15,759.06
  4. Step 4: Simplify right side
    27,696.44x = 602,247,291.42
  5. Step 5: Solve for x
    x = 602,247,291.42/27,696.44
  6. Step 6: Final answer
    x = 21,744.57

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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.