Home / 38,255.09-57,355.09-19,291.57

Finding the Fourth Proportional to 38,255.09, 57,355.09 and 19,291.57

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Solution

The fourth proportional to 38,255.09, 57,355.09 and 19,291.57 is: 28,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.09 : 57,355.09 = 19,291.57 : x
  2. Step 2: Convert to fraction form
    38,255.09/57,355.09 = 19,291.57/x
  3. Step 3: Cross multiply
    38,255.09x = 57,355.09 × 19,291.57
  4. Step 4: Simplify right side
    38,255.09x = 1,106,469,541.97
  5. Step 5: Solve for x
    x = 1,106,469,541.97/38,255.09
  6. Step 6: Final answer
    x = 28,923.46

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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.