Home / 27,839.72-38,367.30-19,773.74

Finding the Fourth Proportional to 27,839.72, 38,367.30 and 19,773.74

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Solution

The fourth proportional to 27,839.72, 38,367.30 and 19,773.74 is: 27,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.72 : 38,367.30 = 19,773.74 : x
  2. Step 2: Convert to fraction form
    27,839.72/38,367.30 = 19,773.74/x
  3. Step 3: Cross multiply
    27,839.72x = 38,367.30 × 19,773.74
  4. Step 4: Simplify right side
    27,839.72x = 758,664,822.87
  5. Step 5: Solve for x
    x = 758,664,822.87/27,839.72
  6. Step 6: Final answer
    x = 27,251.17

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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.