Home / 27,912.84-38,504.13-16,571.22

Finding the Fourth Proportional to 27,912.84, 38,504.13 and 16,571.22

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Solution

The fourth proportional to 27,912.84, 38,504.13 and 16,571.22 is: 22,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.84 : 38,504.13 = 16,571.22 : x
  2. Step 2: Convert to fraction form
    27,912.84/38,504.13 = 16,571.22/x
  3. Step 3: Cross multiply
    27,912.84x = 38,504.13 × 16,571.22
  4. Step 4: Simplify right side
    27,912.84x = 638,060,409.14
  5. Step 5: Solve for x
    x = 638,060,409.14/27,912.84
  6. Step 6: Final answer
    x = 22,859.03

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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.