Home / 26,680.80-39,986.58-10,867.44

Finding the Fourth Proportional to 26,680.80, 39,986.58 and 10,867.44

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Solution

The fourth proportional to 26,680.80, 39,986.58 and 10,867.44 is: 16,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.80 : 39,986.58 = 10,867.44 : x
  2. Step 2: Convert to fraction form
    26,680.80/39,986.58 = 10,867.44/x
  3. Step 3: Cross multiply
    26,680.80x = 39,986.58 × 10,867.44
  4. Step 4: Simplify right side
    26,680.80x = 434,551,758.96
  5. Step 5: Solve for x
    x = 434,551,758.96/26,680.80
  6. Step 6: Final answer
    x = 16,287.06

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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.