Home / 26,220.72-36,170.37-15,608.29

Finding the Fourth Proportional to 26,220.72, 36,170.37 and 15,608.29

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Solution

The fourth proportional to 26,220.72, 36,170.37 and 15,608.29 is: 21,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.72 : 36,170.37 = 15,608.29 : x
  2. Step 2: Convert to fraction form
    26,220.72/36,170.37 = 15,608.29/x
  3. Step 3: Cross multiply
    26,220.72x = 36,170.37 × 15,608.29
  4. Step 4: Simplify right side
    26,220.72x = 564,557,624.37
  5. Step 5: Solve for x
    x = 564,557,624.37/26,220.72
  6. Step 6: Final answer
    x = 21,530.97

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Double scale
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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.