Home / 26,546.10-39,843.75-13,407.69

Finding the Fourth Proportional to 26,546.10, 39,843.75 and 13,407.69

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Solution

The fourth proportional to 26,546.10, 39,843.75 and 13,407.69 is: 20,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,546.10 : 39,843.75 = 13,407.69 : x
  2. Step 2: Convert to fraction form
    26,546.10/39,843.75 = 13,407.69/x
  3. Step 3: Cross multiply
    26,546.10x = 39,843.75 × 13,407.69
  4. Step 4: Simplify right side
    26,546.10x = 534,212,648.44
  5. Step 5: Solve for x
    x = 534,212,648.44/26,546.10
  6. Step 6: Final answer
    x = 20,123.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.