Home / 26,759.35-40,137.81-12,709.09

Finding the Fourth Proportional to 26,759.35, 40,137.81 and 12,709.09

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Solution

The fourth proportional to 26,759.35, 40,137.81 and 12,709.09 is: 19,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.35 : 40,137.81 = 12,709.09 : x
  2. Step 2: Convert to fraction form
    26,759.35/40,137.81 = 12,709.09/x
  3. Step 3: Cross multiply
    26,759.35x = 40,137.81 × 12,709.09
  4. Step 4: Simplify right side
    26,759.35x = 510,115,039.69
  5. Step 5: Solve for x
    x = 510,115,039.69/26,759.35
  6. Step 6: Final answer
    x = 19,063.06

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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.