Home / 38,383.85-57,564.15-13,419.24

Finding the Fourth Proportional to 38,383.85, 57,564.15 and 13,419.24

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Solution

The fourth proportional to 38,383.85, 57,564.15 and 13,419.24 is: 20,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.85 : 57,564.15 = 13,419.24 : x
  2. Step 2: Convert to fraction form
    38,383.85/57,564.15 = 13,419.24/x
  3. Step 3: Cross multiply
    38,383.85x = 57,564.15 × 13,419.24
  4. Step 4: Simplify right side
    38,383.85x = 772,467,144.25
  5. Step 5: Solve for x
    x = 772,467,144.25/38,383.85
  6. Step 6: Final answer
    x = 20,124.80

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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.