Home / 28,141.67-38,839.17-16,205.51

Finding the Fourth Proportional to 28,141.67, 38,839.17 and 16,205.51

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Solution

The fourth proportional to 28,141.67, 38,839.17 and 16,205.51 is: 22,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141.67 : 38,839.17 = 16,205.51 : x
  2. Step 2: Convert to fraction form
    28,141.67/38,839.17 = 16,205.51/x
  3. Step 3: Cross multiply
    28,141.67x = 38,839.17 × 16,205.51
  4. Step 4: Simplify right side
    28,141.67x = 629,408,557.83
  5. Step 5: Solve for x
    x = 629,408,557.83/28,141.67
  6. Step 6: Final answer
    x = 22,365.71

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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.