Home / 27,972.14-38,523.21-23,212.58

Finding the Fourth Proportional to 27,972.14, 38,523.21 and 23,212.58

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Solution

The fourth proportional to 27,972.14, 38,523.21 and 23,212.58 is: 31,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.14 : 38,523.21 = 23,212.58 : x
  2. Step 2: Convert to fraction form
    27,972.14/38,523.21 = 23,212.58/x
  3. Step 3: Cross multiply
    27,972.14x = 38,523.21 × 23,212.58
  4. Step 4: Simplify right side
    27,972.14x = 894,223,093.98
  5. Step 5: Solve for x
    x = 894,223,093.98/27,972.14
  6. Step 6: Final answer
    x = 31,968.35

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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.