Home / 38,115.54-57,153.81-15,922.86

Finding the Fourth Proportional to 38,115.54, 57,153.81 and 15,922.86

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Solution

The fourth proportional to 38,115.54, 57,153.81 and 15,922.86 is: 23,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.54 : 57,153.81 = 15,922.86 : x
  2. Step 2: Convert to fraction form
    38,115.54/57,153.81 = 15,922.86/x
  3. Step 3: Cross multiply
    38,115.54x = 57,153.81 × 15,922.86
  4. Step 4: Simplify right side
    38,115.54x = 910,052,115.10
  5. Step 5: Solve for x
    x = 910,052,115.10/38,115.54
  6. Step 6: Final answer
    x = 23,876.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.