Home / 26,661.24-36,780.30-15,481.08

Finding the Fourth Proportional to 26,661.24, 36,780.30 and 15,481.08

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Solution

The fourth proportional to 26,661.24, 36,780.30 and 15,481.08 is: 21,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.24 : 36,780.30 = 15,481.08 : x
  2. Step 2: Convert to fraction form
    26,661.24/36,780.30 = 15,481.08/x
  3. Step 3: Cross multiply
    26,661.24x = 36,780.30 × 15,481.08
  4. Step 4: Simplify right side
    26,661.24x = 569,398,766.72
  5. Step 5: Solve for x
    x = 569,398,766.72/26,661.24
  6. Step 6: Final answer
    x = 21,356.80

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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.