Home / 27,120.36-37,428.18-15,793.38

Finding the Fourth Proportional to 27,120.36, 37,428.18 and 15,793.38

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Solution

The fourth proportional to 27,120.36, 37,428.18 and 15,793.38 is: 21,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,120.36 : 37,428.18 = 15,793.38 : x
  2. Step 2: Convert to fraction form
    27,120.36/37,428.18 = 15,793.38/x
  3. Step 3: Cross multiply
    27,120.36x = 37,428.18 × 15,793.38
  4. Step 4: Simplify right side
    27,120.36x = 591,117,469.45
  5. Step 5: Solve for x
    x = 591,117,469.45/27,120.36
  6. Step 6: Final answer
    x = 21,796.08

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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.