Home / 26,819.64-37,014.44-15,489.90

Finding the Fourth Proportional to 26,819.64, 37,014.44 and 15,489.90

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Solution

The fourth proportional to 26,819.64, 37,014.44 and 15,489.90 is: 21,377.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.64 : 37,014.44 = 15,489.90 : x
  2. Step 2: Convert to fraction form
    26,819.64/37,014.44 = 15,489.90/x
  3. Step 3: Cross multiply
    26,819.64x = 37,014.44 × 15,489.90
  4. Step 4: Simplify right side
    26,819.64x = 573,349,896.71
  5. Step 5: Solve for x
    x = 573,349,896.71/26,819.64
  6. Step 6: Final answer
    x = 21,377.99

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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.