Home / 27,887.62-38,473.96-15,944.55

Finding the Fourth Proportional to 27,887.62, 38,473.96 and 15,944.55

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Solution

The fourth proportional to 27,887.62, 38,473.96 and 15,944.55 is: 21,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.62 : 38,473.96 = 15,944.55 : x
  2. Step 2: Convert to fraction form
    27,887.62/38,473.96 = 15,944.55/x
  3. Step 3: Cross multiply
    27,887.62x = 38,473.96 × 15,944.55
  4. Step 4: Simplify right side
    27,887.62x = 613,449,869.52
  5. Step 5: Solve for x
    x = 613,449,869.52/27,887.62
  6. Step 6: Final answer
    x = 21,997.21

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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.