Home / 26,729.70-40,083.26-8,012.40

Finding the Fourth Proportional to 26,729.70, 40,083.26 and 8,012.40

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Solution

The fourth proportional to 26,729.70, 40,083.26 and 8,012.40 is: 12,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729.70 : 40,083.26 = 8,012.40 : x
  2. Step 2: Convert to fraction form
    26,729.70/40,083.26 = 8,012.40/x
  3. Step 3: Cross multiply
    26,729.70x = 40,083.26 × 8,012.40
  4. Step 4: Simplify right side
    26,729.70x = 321,163,112.42
  5. Step 5: Solve for x
    x = 321,163,112.42/26,729.70
  6. Step 6: Final answer
    x = 12,015.22

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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.