Home / 26,986.24-40,479.46-8,266.20

Finding the Fourth Proportional to 26,986.24, 40,479.46 and 8,266.20

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Solution

The fourth proportional to 26,986.24, 40,479.46 and 8,266.20 is: 12,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.24 : 40,479.46 = 8,266.20 : x
  2. Step 2: Convert to fraction form
    26,986.24/40,479.46 = 8,266.20/x
  3. Step 3: Cross multiply
    26,986.24x = 40,479.46 × 8,266.20
  4. Step 4: Simplify right side
    26,986.24x = 334,611,312.25
  5. Step 5: Solve for x
    x = 334,611,312.25/26,986.24
  6. Step 6: Final answer
    x = 12,399.33

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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.