Home / 27,936.76-38,551.12-15,361.52

Finding the Fourth Proportional to 27,936.76, 38,551.12 and 15,361.52

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Solution

The fourth proportional to 27,936.76, 38,551.12 and 15,361.52 is: 21,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.76 : 38,551.12 = 15,361.52 : x
  2. Step 2: Convert to fraction form
    27,936.76/38,551.12 = 15,361.52/x
  3. Step 3: Cross multiply
    27,936.76x = 38,551.12 × 15,361.52
  4. Step 4: Simplify right side
    27,936.76x = 592,203,800.90
  5. Step 5: Solve for x
    x = 592,203,800.90/27,936.76
  6. Step 6: Final answer
    x = 21,198.01

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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.