Home / 28,870.44-39,847.14-16,940.04

Finding the Fourth Proportional to 28,870.44, 39,847.14 and 16,940.04

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Solution

The fourth proportional to 28,870.44, 39,847.14 and 16,940.04 is: 23,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.44 : 39,847.14 = 16,940.04 : x
  2. Step 2: Convert to fraction form
    28,870.44/39,847.14 = 16,940.04/x
  3. Step 3: Cross multiply
    28,870.44x = 39,847.14 × 16,940.04
  4. Step 4: Simplify right side
    28,870.44x = 675,012,145.49
  5. Step 5: Solve for x
    x = 675,012,145.49/28,870.44
  6. Step 6: Final answer
    x = 23,380.74

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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.