Home / 38,456.96-57,703.20-15,089.60

Finding the Fourth Proportional to 38,456.96, 57,703.20 and 15,089.60

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Solution

The fourth proportional to 38,456.96, 57,703.20 and 15,089.60 is: 22,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,456.96 : 57,703.20 = 15,089.60 : x
  2. Step 2: Convert to fraction form
    38,456.96/57,703.20 = 15,089.60/x
  3. Step 3: Cross multiply
    38,456.96x = 57,703.20 × 15,089.60
  4. Step 4: Simplify right side
    38,456.96x = 870,718,206.72
  5. Step 5: Solve for x
    x = 870,718,206.72/38,456.96
  6. Step 6: Final answer
    x = 22,641.37

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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.