Home / 26,388.64-36,375.44-19,664

Finding the Fourth Proportional to 26,388.64, 36,375.44 and 19,664

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Solution

The fourth proportional to 26,388.64, 36,375.44 and 19,664 is: 27,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.64 : 36,375.44 = 19,664 : x
  2. Step 2: Convert to fraction form
    26,388.64/36,375.44 = 19,664/x
  3. Step 3: Cross multiply
    26,388.64x = 36,375.44 × 19,664
  4. Step 4: Simplify right side
    26,388.64x = 715,286,652.16
  5. Step 5: Solve for x
    x = 715,286,652.16/26,388.64
  6. Step 6: Final answer
    x = 27,105.86

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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.