Home / 19,205.10-28,807.65-17,163.90

Finding the Fourth Proportional to 19,205.10, 28,807.65 and 17,163.90

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Solution

The fourth proportional to 19,205.10, 28,807.65 and 17,163.90 is: 25,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.10 : 28,807.65 = 17,163.90 : x
  2. Step 2: Convert to fraction form
    19,205.10/28,807.65 = 17,163.90/x
  3. Step 3: Cross multiply
    19,205.10x = 28,807.65 × 17,163.90
  4. Step 4: Simplify right side
    19,205.10x = 494,451,623.84
  5. Step 5: Solve for x
    x = 494,451,623.84/19,205.10
  6. Step 6: Final answer
    x = 25,745.85

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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.