Home / 27,936.42-38,552.22-15,361.20

Finding the Fourth Proportional to 27,936.42, 38,552.22 and 15,361.20

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Solution

The fourth proportional to 27,936.42, 38,552.22 and 15,361.20 is: 21,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.42 : 38,552.22 = 15,361.20 : x
  2. Step 2: Convert to fraction form
    27,936.42/38,552.22 = 15,361.20/x
  3. Step 3: Cross multiply
    27,936.42x = 38,552.22 × 15,361.20
  4. Step 4: Simplify right side
    27,936.42x = 592,208,361.86
  5. Step 5: Solve for x
    x = 592,208,361.86/27,936.42
  6. Step 6: Final answer
    x = 21,198.43

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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.