Home / 27,736.14-38,266.38-15,795.12

Finding the Fourth Proportional to 27,736.14, 38,266.38 and 15,795.12

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Solution

The fourth proportional to 27,736.14, 38,266.38 and 15,795.12 is: 21,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.14 : 38,266.38 = 15,795.12 : x
  2. Step 2: Convert to fraction form
    27,736.14/38,266.38 = 15,795.12/x
  3. Step 3: Cross multiply
    27,736.14x = 38,266.38 × 15,795.12
  4. Step 4: Simplify right side
    27,736.14x = 604,422,064.07
  5. Step 5: Solve for x
    x = 604,422,064.07/27,736.14
  6. Step 6: Final answer
    x = 21,791.86

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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.