Home / 27,630.20-38,137.92-19,695.44

Finding the Fourth Proportional to 27,630.20, 38,137.92 and 19,695.44

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Solution

The fourth proportional to 27,630.20, 38,137.92 and 19,695.44 is: 27,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.20 : 38,137.92 = 19,695.44 : x
  2. Step 2: Convert to fraction form
    27,630.20/38,137.92 = 19,695.44/x
  3. Step 3: Cross multiply
    27,630.20x = 38,137.92 × 19,695.44
  4. Step 4: Simplify right side
    27,630.20x = 751,143,115.08
  5. Step 5: Solve for x
    x = 751,143,115.08/27,630.20
  6. Step 6: Final answer
    x = 27,185.58

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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.