Home / 17,039.43-25,540.14-12,865.89

Finding the Fourth Proportional to 17,039.43, 25,540.14 and 12,865.89

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Solution

The fourth proportional to 17,039.43, 25,540.14 and 12,865.89 is: 19,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.43 : 25,540.14 = 12,865.89 : x
  2. Step 2: Convert to fraction form
    17,039.43/25,540.14 = 12,865.89/x
  3. Step 3: Cross multiply
    17,039.43x = 25,540.14 × 12,865.89
  4. Step 4: Simplify right side
    17,039.43x = 328,596,631.82
  5. Step 5: Solve for x
    x = 328,596,631.82/17,039.43
  6. Step 6: Final answer
    x = 19,284.48

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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.