Home / 28,839.97-43,273.28-11,314.45

Finding the Fourth Proportional to 28,839.97, 43,273.28 and 11,314.45

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Solution

The fourth proportional to 28,839.97, 43,273.28 and 11,314.45 is: 16,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.97 : 43,273.28 = 11,314.45 : x
  2. Step 2: Convert to fraction form
    28,839.97/43,273.28 = 11,314.45/x
  3. Step 3: Cross multiply
    28,839.97x = 43,273.28 × 11,314.45
  4. Step 4: Simplify right side
    28,839.97x = 489,613,362.90
  5. Step 5: Solve for x
    x = 489,613,362.90/28,839.97
  6. Step 6: Final answer
    x = 16,976.90

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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.