Home / 26,855.24-40,221.52-12,825.14

Finding the Fourth Proportional to 26,855.24, 40,221.52 and 12,825.14

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Solution

The fourth proportional to 26,855.24, 40,221.52 and 12,825.14 is: 19,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,855.24 : 40,221.52 = 12,825.14 : x
  2. Step 2: Convert to fraction form
    26,855.24/40,221.52 = 12,825.14/x
  3. Step 3: Cross multiply
    26,855.24x = 40,221.52 × 12,825.14
  4. Step 4: Simplify right side
    26,855.24x = 515,846,625.01
  5. Step 5: Solve for x
    x = 515,846,625.01/26,855.24
  6. Step 6: Final answer
    x = 19,208.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.