Home / 27,828.06-38,402.94-15,253.26

Finding the Fourth Proportional to 27,828.06, 38,402.94 and 15,253.26

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Solution

The fourth proportional to 27,828.06, 38,402.94 and 15,253.26 is: 21,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.06 : 38,402.94 = 15,253.26 : x
  2. Step 2: Convert to fraction form
    27,828.06/38,402.94 = 15,253.26/x
  3. Step 3: Cross multiply
    27,828.06x = 38,402.94 × 15,253.26
  4. Step 4: Simplify right side
    27,828.06x = 585,770,028.58
  5. Step 5: Solve for x
    x = 585,770,028.58/27,828.06
  6. Step 6: Final answer
    x = 21,049.62

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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.