Home / 27,755.35-38,301.44-15,822.54

Finding the Fourth Proportional to 27,755.35, 38,301.44 and 15,822.54

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Solution

The fourth proportional to 27,755.35, 38,301.44 and 15,822.54 is: 21,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.35 : 38,301.44 = 15,822.54 : x
  2. Step 2: Convert to fraction form
    27,755.35/38,301.44 = 15,822.54/x
  3. Step 3: Cross multiply
    27,755.35x = 38,301.44 × 15,822.54
  4. Step 4: Simplify right side
    27,755.35x = 606,025,835.39
  5. Step 5: Solve for x
    x = 606,025,835.39/27,755.35
  6. Step 6: Final answer
    x = 21,834.56

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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.