Home / 28,891-39,869.84-16,954.54

Finding the Fourth Proportional to 28,891, 39,869.84 and 16,954.54

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Solution

The fourth proportional to 28,891, 39,869.84 and 16,954.54 is: 23,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891 : 39,869.84 = 16,954.54 : x
  2. Step 2: Convert to fraction form
    28,891/39,869.84 = 16,954.54/x
  3. Step 3: Cross multiply
    28,891x = 39,869.84 × 16,954.54
  4. Step 4: Simplify right side
    28,891x = 675,974,797.07
  5. Step 5: Solve for x
    x = 675,974,797.07/28,891
  6. Step 6: Final answer
    x = 23,397.42

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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.