Home / 26,986.49-40,484.42-8,266.09

Finding the Fourth Proportional to 26,986.49, 40,484.42 and 8,266.09

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Solution

The fourth proportional to 26,986.49, 40,484.42 and 8,266.09 is: 12,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.49 : 40,484.42 = 8,266.09 : x
  2. Step 2: Convert to fraction form
    26,986.49/40,484.42 = 8,266.09/x
  3. Step 3: Cross multiply
    26,986.49x = 40,484.42 × 8,266.09
  4. Step 4: Simplify right side
    26,986.49x = 334,647,859.32
  5. Step 5: Solve for x
    x = 334,647,859.32/26,986.49
  6. Step 6: Final answer
    x = 12,400.57

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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.