Home / 25,249.96-34,845.18-13,919.89

Finding the Fourth Proportional to 25,249.96, 34,845.18 and 13,919.89

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Solution

The fourth proportional to 25,249.96, 34,845.18 and 13,919.89 is: 19,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.96 : 34,845.18 = 13,919.89 : x
  2. Step 2: Convert to fraction form
    25,249.96/34,845.18 = 13,919.89/x
  3. Step 3: Cross multiply
    25,249.96x = 34,845.18 × 13,919.89
  4. Step 4: Simplify right side
    25,249.96x = 485,041,072.63
  5. Step 5: Solve for x
    x = 485,041,072.63/25,249.96
  6. Step 6: Final answer
    x = 19,209.58

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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.