Home / 38,307.21-57,467.88-17,247.78

Finding the Fourth Proportional to 38,307.21, 57,467.88 and 17,247.78

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Solution

The fourth proportional to 38,307.21, 57,467.88 and 17,247.78 is: 25,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.21 : 57,467.88 = 17,247.78 : x
  2. Step 2: Convert to fraction form
    38,307.21/57,467.88 = 17,247.78/x
  3. Step 3: Cross multiply
    38,307.21x = 57,467.88 × 17,247.78
  4. Step 4: Simplify right side
    38,307.21x = 991,193,351.31
  5. Step 5: Solve for x
    x = 991,193,351.31/38,307.21
  6. Step 6: Final answer
    x = 25,874.85

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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.