Home / 28,067.54-42,064.83-11,408.18

Finding the Fourth Proportional to 28,067.54, 42,064.83 and 11,408.18

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Solution

The fourth proportional to 28,067.54, 42,064.83 and 11,408.18 is: 17,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.54 : 42,064.83 = 11,408.18 : x
  2. Step 2: Convert to fraction form
    28,067.54/42,064.83 = 11,408.18/x
  3. Step 3: Cross multiply
    28,067.54x = 42,064.83 × 11,408.18
  4. Step 4: Simplify right side
    28,067.54x = 479,882,941.99
  5. Step 5: Solve for x
    x = 479,882,941.99/28,067.54
  6. Step 6: Final answer
    x = 17,097.44

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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.