Home / 26,819.54-37,014.24-15,489

Finding the Fourth Proportional to 26,819.54, 37,014.24 and 15,489

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Solution

The fourth proportional to 26,819.54, 37,014.24 and 15,489 is: 21,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.54 : 37,014.24 = 15,489 : x
  2. Step 2: Convert to fraction form
    26,819.54/37,014.24 = 15,489/x
  3. Step 3: Cross multiply
    26,819.54x = 37,014.24 × 15,489
  4. Step 4: Simplify right side
    26,819.54x = 573,313,563.36
  5. Step 5: Solve for x
    x = 573,313,563.36/26,819.54
  6. Step 6: Final answer
    x = 21,376.71

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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.