Home / 26,377.13-39,512.70-12,317.77

Finding the Fourth Proportional to 26,377.13, 39,512.70 and 12,317.77

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Solution

The fourth proportional to 26,377.13, 39,512.70 and 12,317.77 is: 18,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,377.13 : 39,512.70 = 12,317.77 : x
  2. Step 2: Convert to fraction form
    26,377.13/39,512.70 = 12,317.77/x
  3. Step 3: Cross multiply
    26,377.13x = 39,512.70 × 12,317.77
  4. Step 4: Simplify right side
    26,377.13x = 486,708,350.68
  5. Step 5: Solve for x
    x = 486,708,350.68/26,377.13
  6. Step 6: Final answer
    x = 18,451.91

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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.