Home / 28,227.38-38,921.67-23,106.61

Finding the Fourth Proportional to 28,227.38, 38,921.67 and 23,106.61

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Solution

The fourth proportional to 28,227.38, 38,921.67 and 23,106.61 is: 31,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.38 : 38,921.67 = 23,106.61 : x
  2. Step 2: Convert to fraction form
    28,227.38/38,921.67 = 23,106.61/x
  3. Step 3: Cross multiply
    28,227.38x = 38,921.67 × 23,106.61
  4. Step 4: Simplify right side
    28,227.38x = 899,347,962.88
  5. Step 5: Solve for x
    x = 899,347,962.88/28,227.38
  6. Step 6: Final answer
    x = 31,860.84

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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.