Home / 26,478.99-39,718.46-6,757.55

Finding the Fourth Proportional to 26,478.99, 39,718.46 and 6,757.55

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Solution

The fourth proportional to 26,478.99, 39,718.46 and 6,757.55 is: 10,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.99 : 39,718.46 = 6,757.55 : x
  2. Step 2: Convert to fraction form
    26,478.99/39,718.46 = 6,757.55/x
  3. Step 3: Cross multiply
    26,478.99x = 39,718.46 × 6,757.55
  4. Step 4: Simplify right side
    26,478.99x = 268,399,297.67
  5. Step 5: Solve for x
    x = 268,399,297.67/26,478.99
  6. Step 6: Final answer
    x = 10,136.31

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1.5x scale

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.