Home / 27,568.17-38,052.63-21,912.95

Finding the Fourth Proportional to 27,568.17, 38,052.63 and 21,912.95

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Solution

The fourth proportional to 27,568.17, 38,052.63 and 21,912.95 is: 30,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,568.17 : 38,052.63 = 21,912.95 : x
  2. Step 2: Convert to fraction form
    27,568.17/38,052.63 = 21,912.95/x
  3. Step 3: Cross multiply
    27,568.17x = 38,052.63 × 21,912.95
  4. Step 4: Simplify right side
    27,568.17x = 833,845,188.30
  5. Step 5: Solve for x
    x = 833,845,188.30/27,568.17
  6. Step 6: Final answer
    x = 30,246.66

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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.