Home / 26,230.70-39,346.32-20,998.96

Finding the Fourth Proportional to 26,230.70, 39,346.32 and 20,998.96

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Solution

The fourth proportional to 26,230.70, 39,346.32 and 20,998.96 is: 31,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,230.70 : 39,346.32 = 20,998.96 : x
  2. Step 2: Convert to fraction form
    26,230.70/39,346.32 = 20,998.96/x
  3. Step 3: Cross multiply
    26,230.70x = 39,346.32 × 20,998.96
  4. Step 4: Simplify right side
    26,230.70x = 826,231,799.83
  5. Step 5: Solve for x
    x = 826,231,799.83/26,230.70
  6. Step 6: Final answer
    x = 31,498.66

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1.5x scale

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.