Home / 26,810.22-36,999.79-15,481.80

Finding the Fourth Proportional to 26,810.22, 36,999.79 and 15,481.80

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Solution

The fourth proportional to 26,810.22, 36,999.79 and 15,481.80 is: 21,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.22 : 36,999.79 = 15,481.80 : x
  2. Step 2: Convert to fraction form
    26,810.22/36,999.79 = 15,481.80/x
  3. Step 3: Cross multiply
    26,810.22x = 36,999.79 × 15,481.80
  4. Step 4: Simplify right side
    26,810.22x = 572,823,310.12
  5. Step 5: Solve for x
    x = 572,823,310.12/26,810.22
  6. Step 6: Final answer
    x = 21,365.85

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1.5x scale

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.