Home / 28,116.80-38,805.44-16,179.33

Finding the Fourth Proportional to 28,116.80, 38,805.44 and 16,179.33

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Solution

The fourth proportional to 28,116.80, 38,805.44 and 16,179.33 is: 22,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.80 : 38,805.44 = 16,179.33 : x
  2. Step 2: Convert to fraction form
    28,116.80/38,805.44 = 16,179.33/x
  3. Step 3: Cross multiply
    28,116.80x = 38,805.44 × 16,179.33
  4. Step 4: Simplify right side
    28,116.80x = 627,845,938.66
  5. Step 5: Solve for x
    x = 627,845,938.66/28,116.80
  6. Step 6: Final answer
    x = 22,329.93

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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.