Home / 26,996.85-37,239.62-21,019.05

Finding the Fourth Proportional to 26,996.85, 37,239.62 and 21,019.05

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Solution

The fourth proportional to 26,996.85, 37,239.62 and 21,019.05 is: 28,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,996.85 : 37,239.62 = 21,019.05 : x
  2. Step 2: Convert to fraction form
    26,996.85/37,239.62 = 21,019.05/x
  3. Step 3: Cross multiply
    26,996.85x = 37,239.62 × 21,019.05
  4. Step 4: Simplify right side
    26,996.85x = 782,741,329.67
  5. Step 5: Solve for x
    x = 782,741,329.67/26,996.85
  6. Step 6: Final answer
    x = 28,993.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.