Home / 26,924.28-40,361.33-9,142.78

Finding the Fourth Proportional to 26,924.28, 40,361.33 and 9,142.78

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Solution

The fourth proportional to 26,924.28, 40,361.33 and 9,142.78 is: 13,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,924.28 : 40,361.33 = 9,142.78 : x
  2. Step 2: Convert to fraction form
    26,924.28/40,361.33 = 9,142.78/x
  3. Step 3: Cross multiply
    26,924.28x = 40,361.33 × 9,142.78
  4. Step 4: Simplify right side
    26,924.28x = 369,014,722.42
  5. Step 5: Solve for x
    x = 369,014,722.42/26,924.28
  6. Step 6: Final answer
    x = 13,705.65

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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.