Home / 28,939.25-39,958.82-22,214.22

Finding the Fourth Proportional to 28,939.25, 39,958.82 and 22,214.22

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Solution

The fourth proportional to 28,939.25, 39,958.82 and 22,214.22 is: 30,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.25 : 39,958.82 = 22,214.22 : x
  2. Step 2: Convert to fraction form
    28,939.25/39,958.82 = 22,214.22/x
  3. Step 3: Cross multiply
    28,939.25x = 39,958.82 × 22,214.22
  4. Step 4: Simplify right side
    28,939.25x = 887,653,907.35
  5. Step 5: Solve for x
    x = 887,653,907.35/28,939.25
  6. Step 6: Final answer
    x = 30,673.02

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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.