Home / 27,989.28-41,983.88-19,197.56

Finding the Fourth Proportional to 27,989.28, 41,983.88 and 19,197.56

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Solution

The fourth proportional to 27,989.28, 41,983.88 and 19,197.56 is: 28,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.28 : 41,983.88 = 19,197.56 : x
  2. Step 2: Convert to fraction form
    27,989.28/41,983.88 = 19,197.56/x
  3. Step 3: Cross multiply
    27,989.28x = 41,983.88 × 19,197.56
  4. Step 4: Simplify right side
    27,989.28x = 805,988,055.33
  5. Step 5: Solve for x
    x = 805,988,055.33/27,989.28
  6. Step 6: Final answer
    x = 28,796.31

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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.