Home / 26,170.97-36,112.43-15,556.73

Finding the Fourth Proportional to 26,170.97, 36,112.43 and 15,556.73

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Solution

The fourth proportional to 26,170.97, 36,112.43 and 15,556.73 is: 21,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.97 : 36,112.43 = 15,556.73 : x
  2. Step 2: Convert to fraction form
    26,170.97/36,112.43 = 15,556.73/x
  3. Step 3: Cross multiply
    26,170.97x = 36,112.43 × 15,556.73
  4. Step 4: Simplify right side
    26,170.97x = 561,791,181.48
  5. Step 5: Solve for x
    x = 561,791,181.48/26,170.97
  6. Step 6: Final answer
    x = 21,466.20

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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.