Home / 26,220-36,183.36-15,609.44

Finding the Fourth Proportional to 26,220, 36,183.36 and 15,609.44

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Solution

The fourth proportional to 26,220, 36,183.36 and 15,609.44 is: 21,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220 : 36,183.36 = 15,609.44 : x
  2. Step 2: Convert to fraction form
    26,220/36,183.36 = 15,609.44/x
  3. Step 3: Cross multiply
    26,220x = 36,183.36 × 15,609.44
  4. Step 4: Simplify right side
    26,220x = 564,801,986.92
  5. Step 5: Solve for x
    x = 564,801,986.92/26,220
  6. Step 6: Final answer
    x = 21,540.88

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.