Home / 28,326.78-39,087.97-16,994.48

Finding the Fourth Proportional to 28,326.78, 39,087.97 and 16,994.48

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Solution

The fourth proportional to 28,326.78, 39,087.97 and 16,994.48 is: 23,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.78 : 39,087.97 = 16,994.48 : x
  2. Step 2: Convert to fraction form
    28,326.78/39,087.97 = 16,994.48/x
  3. Step 3: Cross multiply
    28,326.78x = 39,087.97 × 16,994.48
  4. Step 4: Simplify right side
    28,326.78x = 664,279,486.48
  5. Step 5: Solve for x
    x = 664,279,486.48/28,326.78
  6. Step 6: Final answer
    x = 23,450.58

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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.