Home / 28,878.82-39,852.96-16,942.42

Finding the Fourth Proportional to 28,878.82, 39,852.96 and 16,942.42

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Solution

The fourth proportional to 28,878.82, 39,852.96 and 16,942.42 is: 23,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878.82 : 39,852.96 = 16,942.42 : x
  2. Step 2: Convert to fraction form
    28,878.82/39,852.96 = 16,942.42/x
  3. Step 3: Cross multiply
    28,878.82x = 39,852.96 × 16,942.42
  4. Step 4: Simplify right side
    28,878.82x = 675,205,586.56
  5. Step 5: Solve for x
    x = 675,205,586.56/28,878.82
  6. Step 6: Final answer
    x = 23,380.65

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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.