Home / 25,379.11-35,023.22-13,893.85

Finding the Fourth Proportional to 25,379.11, 35,023.22 and 13,893.85

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Solution

The fourth proportional to 25,379.11, 35,023.22 and 13,893.85 is: 19,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.11 : 35,023.22 = 13,893.85 : x
  2. Step 2: Convert to fraction form
    25,379.11/35,023.22 = 13,893.85/x
  3. Step 3: Cross multiply
    25,379.11x = 35,023.22 × 13,893.85
  4. Step 4: Simplify right side
    25,379.11x = 486,607,365.20
  5. Step 5: Solve for x
    x = 486,607,365.20/25,379.11
  6. Step 6: Final answer
    x = 19,173.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.