Home / 25,175.67-37,757.64-11,128.07

Finding the Fourth Proportional to 25,175.67, 37,757.64 and 11,128.07

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Solution

The fourth proportional to 25,175.67, 37,757.64 and 11,128.07 is: 16,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.67 : 37,757.64 = 11,128.07 : x
  2. Step 2: Convert to fraction form
    25,175.67/37,757.64 = 11,128.07/x
  3. Step 3: Cross multiply
    25,175.67x = 37,757.64 × 11,128.07
  4. Step 4: Simplify right side
    25,175.67x = 420,169,743.98
  5. Step 5: Solve for x
    x = 420,169,743.98/25,175.67
  6. Step 6: Final answer
    x = 16,689.51

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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.