Home / 28,292.46-39,044.24-15,546.42

Finding the Fourth Proportional to 28,292.46, 39,044.24 and 15,546.42

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Solution

The fourth proportional to 28,292.46, 39,044.24 and 15,546.42 is: 21,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.46 : 39,044.24 = 15,546.42 : x
  2. Step 2: Convert to fraction form
    28,292.46/39,044.24 = 15,546.42/x
  3. Step 3: Cross multiply
    28,292.46x = 39,044.24 × 15,546.42
  4. Step 4: Simplify right side
    28,292.46x = 606,998,153.62
  5. Step 5: Solve for x
    x = 606,998,153.62/28,292.46
  6. Step 6: Final answer
    x = 21,454.41

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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.