Home / 28,140.94-38,839.26-16,202.08

Finding the Fourth Proportional to 28,140.94, 38,839.26 and 16,202.08

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Solution

The fourth proportional to 28,140.94, 38,839.26 and 16,202.08 is: 22,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140.94 : 38,839.26 = 16,202.08 : x
  2. Step 2: Convert to fraction form
    28,140.94/38,839.26 = 16,202.08/x
  3. Step 3: Cross multiply
    28,140.94x = 38,839.26 × 16,202.08
  4. Step 4: Simplify right side
    28,140.94x = 629,276,797.66
  5. Step 5: Solve for x
    x = 629,276,797.66/28,140.94
  6. Step 6: Final answer
    x = 22,361.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.