Home / 27,682.88-38,202.24-15,107.52

Finding the Fourth Proportional to 27,682.88, 38,202.24 and 15,107.52

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Solution

The fourth proportional to 27,682.88, 38,202.24 and 15,107.52 is: 20,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682.88 : 38,202.24 = 15,107.52 : x
  2. Step 2: Convert to fraction form
    27,682.88/38,202.24 = 15,107.52/x
  3. Step 3: Cross multiply
    27,682.88x = 38,202.24 × 15,107.52
  4. Step 4: Simplify right side
    27,682.88x = 577,141,104.84
  5. Step 5: Solve for x
    x = 577,141,104.84/27,682.88
  6. Step 6: Final answer
    x = 20,848.30

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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.