Home / 26,530.43-36,622.94-15,918

Finding the Fourth Proportional to 26,530.43, 36,622.94 and 15,918

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Solution

The fourth proportional to 26,530.43, 36,622.94 and 15,918 is: 21,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.43 : 36,622.94 = 15,918 : x
  2. Step 2: Convert to fraction form
    26,530.43/36,622.94 = 15,918/x
  3. Step 3: Cross multiply
    26,530.43x = 36,622.94 × 15,918
  4. Step 4: Simplify right side
    26,530.43x = 582,963,879.33
  5. Step 5: Solve for x
    x = 582,963,879.33/26,530.43
  6. Step 6: Final answer
    x = 21,973.41

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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.