Home / 26,617.44-36,730.80-15,279

Finding the Fourth Proportional to 26,617.44, 36,730.80 and 15,279

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Solution

The fourth proportional to 26,617.44, 36,730.80 and 15,279 is: 21,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,617.44 : 36,730.80 = 15,279 : x
  2. Step 2: Convert to fraction form
    26,617.44/36,730.80 = 15,279/x
  3. Step 3: Cross multiply
    26,617.44x = 36,730.80 × 15,279
  4. Step 4: Simplify right side
    26,617.44x = 561,209,893.20
  5. Step 5: Solve for x
    x = 561,209,893.20/26,617.44
  6. Step 6: Final answer
    x = 21,084.29

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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.