Home / 38,566.71-57,858.75-13,608.54

Finding the Fourth Proportional to 38,566.71, 57,858.75 and 13,608.54

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Solution

The fourth proportional to 38,566.71, 57,858.75 and 13,608.54 is: 20,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566.71 : 57,858.75 = 13,608.54 : x
  2. Step 2: Convert to fraction form
    38,566.71/57,858.75 = 13,608.54/x
  3. Step 3: Cross multiply
    38,566.71x = 57,858.75 × 13,608.54
  4. Step 4: Simplify right side
    38,566.71x = 787,373,113.73
  5. Step 5: Solve for x
    x = 787,373,113.73/38,566.71
  6. Step 6: Final answer
    x = 20,415.87

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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.