Home / 26,171.98-36,105.42-15,555.58

Finding the Fourth Proportional to 26,171.98, 36,105.42 and 15,555.58

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Solution

The fourth proportional to 26,171.98, 36,105.42 and 15,555.58 is: 21,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.98 : 36,105.42 = 15,555.58 : x
  2. Step 2: Convert to fraction form
    26,171.98/36,105.42 = 15,555.58/x
  3. Step 3: Cross multiply
    26,171.98x = 36,105.42 × 15,555.58
  4. Step 4: Simplify right side
    26,171.98x = 561,640,749.24
  5. Step 5: Solve for x
    x = 561,640,749.24/26,171.98
  6. Step 6: Final answer
    x = 21,459.62

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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.