Home / 26,458.92-39,705.66-12,609

Finding the Fourth Proportional to 26,458.92, 39,705.66 and 12,609

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Solution

The fourth proportional to 26,458.92, 39,705.66 and 12,609 is: 18,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,458.92 : 39,705.66 = 12,609 : x
  2. Step 2: Convert to fraction form
    26,458.92/39,705.66 = 12,609/x
  3. Step 3: Cross multiply
    26,458.92x = 39,705.66 × 12,609
  4. Step 4: Simplify right side
    26,458.92x = 500,648,666.94
  5. Step 5: Solve for x
    x = 500,648,666.94/26,458.92
  6. Step 6: Final answer
    x = 18,921.73

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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.