Home / 27,682.14-38,200.15-15,745.37

Finding the Fourth Proportional to 27,682.14, 38,200.15 and 15,745.37

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Solution

The fourth proportional to 27,682.14, 38,200.15 and 15,745.37 is: 21,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682.14 : 38,200.15 = 15,745.37 : x
  2. Step 2: Convert to fraction form
    27,682.14/38,200.15 = 15,745.37/x
  3. Step 3: Cross multiply
    27,682.14x = 38,200.15 × 15,745.37
  4. Step 4: Simplify right side
    27,682.14x = 601,475,467.74
  5. Step 5: Solve for x
    x = 601,475,467.74/27,682.14
  6. Step 6: Final answer
    x = 21,727.93

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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.