Home / 27,883.04-38,481.32-15,948.12

Finding the Fourth Proportional to 27,883.04, 38,481.32 and 15,948.12

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Solution

The fourth proportional to 27,883.04, 38,481.32 and 15,948.12 is: 22,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.04 : 38,481.32 = 15,948.12 : x
  2. Step 2: Convert to fraction form
    27,883.04/38,481.32 = 15,948.12/x
  3. Step 3: Cross multiply
    27,883.04x = 38,481.32 × 15,948.12
  4. Step 4: Simplify right side
    27,883.04x = 613,704,709.12
  5. Step 5: Solve for x
    x = 613,704,709.12/27,883.04
  6. Step 6: Final answer
    x = 22,009.96

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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.