Home / 27,827.28-41,717.88-13,991.76

Finding the Fourth Proportional to 27,827.28, 41,717.88 and 13,991.76

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Solution

The fourth proportional to 27,827.28, 41,717.88 and 13,991.76 is: 20,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,827.28 : 41,717.88 = 13,991.76 : x
  2. Step 2: Convert to fraction form
    27,827.28/41,717.88 = 13,991.76/x
  3. Step 3: Cross multiply
    27,827.28x = 41,717.88 × 13,991.76
  4. Step 4: Simplify right side
    27,827.28x = 583,706,564.67
  5. Step 5: Solve for x
    x = 583,706,564.67/27,827.28
  6. Step 6: Final answer
    x = 20,976.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.