Home / 38,039.92-57,021.52-15,865.56

Finding the Fourth Proportional to 38,039.92, 57,021.52 and 15,865.56

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Solution

The fourth proportional to 38,039.92, 57,021.52 and 15,865.56 is: 23,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039.92 : 57,021.52 = 15,865.56 : x
  2. Step 2: Convert to fraction form
    38,039.92/57,021.52 = 15,865.56/x
  3. Step 3: Cross multiply
    38,039.92x = 57,021.52 × 15,865.56
  4. Step 4: Simplify right side
    38,039.92x = 904,678,346.85
  5. Step 5: Solve for x
    x = 904,678,346.85/38,039.92
  6. Step 6: Final answer
    x = 23,782.34

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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.