Home / 27,881.92-38,476.42-15,944.55

Finding the Fourth Proportional to 27,881.92, 38,476.42 and 15,944.55

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Solution

The fourth proportional to 27,881.92, 38,476.42 and 15,944.55 is: 22,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.92 : 38,476.42 = 15,944.55 : x
  2. Step 2: Convert to fraction form
    27,881.92/38,476.42 = 15,944.55/x
  3. Step 3: Cross multiply
    27,881.92x = 38,476.42 × 15,944.55
  4. Step 4: Simplify right side
    27,881.92x = 613,489,018.36
  5. Step 5: Solve for x
    x = 613,489,018.36/27,881.92
  6. Step 6: Final answer
    x = 22,003.11

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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.