Home / 27,682.25-38,203.56-15,749.43

Finding the Fourth Proportional to 27,682.25, 38,203.56 and 15,749.43

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Solution

The fourth proportional to 27,682.25, 38,203.56 and 15,749.43 is: 21,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682.25 : 38,203.56 = 15,749.43 : x
  2. Step 2: Convert to fraction form
    27,682.25/38,203.56 = 15,749.43/x
  3. Step 3: Cross multiply
    27,682.25x = 38,203.56 × 15,749.43
  4. Step 4: Simplify right side
    27,682.25x = 601,684,293.97
  5. Step 5: Solve for x
    x = 601,684,293.97/27,682.25
  6. Step 6: Final answer
    x = 21,735.38

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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.