Home / 26,511.30-39,766.05-6,790.05

Finding the Fourth Proportional to 26,511.30, 39,766.05 and 6,790.05

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Solution

The fourth proportional to 26,511.30, 39,766.05 and 6,790.05 is: 10,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,511.30 : 39,766.05 = 6,790.05 : x
  2. Step 2: Convert to fraction form
    26,511.30/39,766.05 = 6,790.05/x
  3. Step 3: Cross multiply
    26,511.30x = 39,766.05 × 6,790.05
  4. Step 4: Simplify right side
    26,511.30x = 270,013,467.80
  5. Step 5: Solve for x
    x = 270,013,467.80/26,511.30
  6. Step 6: Final answer
    x = 10,184.84

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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.