Home / 26,983.25-37,236.89-15,805.25

Finding the Fourth Proportional to 26,983.25, 37,236.89 and 15,805.25

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Solution

The fourth proportional to 26,983.25, 37,236.89 and 15,805.25 is: 21,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,983.25 : 37,236.89 = 15,805.25 : x
  2. Step 2: Convert to fraction form
    26,983.25/37,236.89 = 15,805.25/x
  3. Step 3: Cross multiply
    26,983.25x = 37,236.89 × 15,805.25
  4. Step 4: Simplify right side
    26,983.25x = 588,538,355.67
  5. Step 5: Solve for x
    x = 588,538,355.67/26,983.25
  6. Step 6: Final answer
    x = 21,811.25

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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.