Home / 17,621.15-26,429.15-5,137.82

Finding the Fourth Proportional to 17,621.15, 26,429.15 and 5,137.82

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Solution

The fourth proportional to 17,621.15, 26,429.15 and 5,137.82 is: 7,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.15 : 26,429.15 = 5,137.82 : x
  2. Step 2: Convert to fraction form
    17,621.15/26,429.15 = 5,137.82/x
  3. Step 3: Cross multiply
    17,621.15x = 26,429.15 × 5,137.82
  4. Step 4: Simplify right side
    17,621.15x = 135,788,057.62
  5. Step 5: Solve for x
    x = 135,788,057.62/17,621.15
  6. Step 6: Final answer
    x = 7,705.97

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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.