Home / 27,922.62-38,532.24-15,347.28

Finding the Fourth Proportional to 27,922.62, 38,532.24 and 15,347.28

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Solution

The fourth proportional to 27,922.62, 38,532.24 and 15,347.28 is: 21,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.62 : 38,532.24 = 15,347.28 : x
  2. Step 2: Convert to fraction form
    27,922.62/38,532.24 = 15,347.28/x
  3. Step 3: Cross multiply
    27,922.62x = 38,532.24 × 15,347.28
  4. Step 4: Simplify right side
    27,922.62x = 591,365,076.31
  5. Step 5: Solve for x
    x = 591,365,076.31/27,922.62
  6. Step 6: Final answer
    x = 21,178.71

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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.