Home / 26,917.47-40,378.26-8,199.10

Finding the Fourth Proportional to 26,917.47, 40,378.26 and 8,199.10

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Solution

The fourth proportional to 26,917.47, 40,378.26 and 8,199.10 is: 12,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.47 : 40,378.26 = 8,199.10 : x
  2. Step 2: Convert to fraction form
    26,917.47/40,378.26 = 8,199.10/x
  3. Step 3: Cross multiply
    26,917.47x = 40,378.26 × 8,199.10
  4. Step 4: Simplify right side
    26,917.47x = 331,065,391.57
  5. Step 5: Solve for x
    x = 331,065,391.57/26,917.47
  6. Step 6: Final answer
    x = 12,299.28

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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.