Home / 27,936.84-38,553.42-15,361.56

Finding the Fourth Proportional to 27,936.84, 38,553.42 and 15,361.56

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Solution

The fourth proportional to 27,936.84, 38,553.42 and 15,361.56 is: 21,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.84 : 38,553.42 = 15,361.56 : x
  2. Step 2: Convert to fraction form
    27,936.84/38,553.42 = 15,361.56/x
  3. Step 3: Cross multiply
    27,936.84x = 38,553.42 × 15,361.56
  4. Step 4: Simplify right side
    27,936.84x = 592,240,674.54
  5. Step 5: Solve for x
    x = 592,240,674.54/27,936.84
  6. Step 6: Final answer
    x = 21,199.27

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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.