Home / 26,487.87-39,734.30-6,766.53

Finding the Fourth Proportional to 26,487.87, 39,734.30 and 6,766.53

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Solution

The fourth proportional to 26,487.87, 39,734.30 and 6,766.53 is: 10,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.87 : 39,734.30 = 6,766.53 : x
  2. Step 2: Convert to fraction form
    26,487.87/39,734.30 = 6,766.53/x
  3. Step 3: Cross multiply
    26,487.87x = 39,734.30 × 6,766.53
  4. Step 4: Simplify right side
    26,487.87x = 268,863,332.98
  5. Step 5: Solve for x
    x = 268,863,332.98/26,487.87
  6. Step 6: Final answer
    x = 10,150.43

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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.