Home / 27,657.09-38,155.91-17,028.27

Finding the Fourth Proportional to 27,657.09, 38,155.91 and 17,028.27

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Solution

The fourth proportional to 27,657.09, 38,155.91 and 17,028.27 is: 23,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.09 : 38,155.91 = 17,028.27 : x
  2. Step 2: Convert to fraction form
    27,657.09/38,155.91 = 17,028.27/x
  3. Step 3: Cross multiply
    27,657.09x = 38,155.91 × 17,028.27
  4. Step 4: Simplify right side
    27,657.09x = 649,729,052.43
  5. Step 5: Solve for x
    x = 649,729,052.43/27,657.09
  6. Step 6: Final answer
    x = 23,492.31

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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.