Home / 27,021.52-40,546.56-19,174.75

Finding the Fourth Proportional to 27,021.52, 40,546.56 and 19,174.75

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Solution

The fourth proportional to 27,021.52, 40,546.56 and 19,174.75 is: 28,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.52 : 40,546.56 = 19,174.75 : x
  2. Step 2: Convert to fraction form
    27,021.52/40,546.56 = 19,174.75/x
  3. Step 3: Cross multiply
    27,021.52x = 40,546.56 × 19,174.75
  4. Step 4: Simplify right side
    27,021.52x = 777,470,151.36
  5. Step 5: Solve for x
    x = 777,470,151.36/27,021.52
  6. Step 6: Final answer
    x = 28,772.26

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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.