Home / 26,731.31-36,898.93-15,553.31

Finding the Fourth Proportional to 26,731.31, 36,898.93 and 15,553.31

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Solution

The fourth proportional to 26,731.31, 36,898.93 and 15,553.31 is: 21,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.31 : 36,898.93 = 15,553.31 : x
  2. Step 2: Convert to fraction form
    26,731.31/36,898.93 = 15,553.31/x
  3. Step 3: Cross multiply
    26,731.31x = 36,898.93 × 15,553.31
  4. Step 4: Simplify right side
    26,731.31x = 573,900,608.65
  5. Step 5: Solve for x
    x = 573,900,608.65/26,731.31
  6. Step 6: Final answer
    x = 21,469.23

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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.