Home / 35,917.08-53,874.18-13,729.56

Finding the Fourth Proportional to 35,917.08, 53,874.18 and 13,729.56

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Solution

The fourth proportional to 35,917.08, 53,874.18 and 13,729.56 is: 20,593.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,917.08 : 53,874.18 = 13,729.56 : x
  2. Step 2: Convert to fraction form
    35,917.08/53,874.18 = 13,729.56/x
  3. Step 3: Cross multiply
    35,917.08x = 53,874.18 × 13,729.56
  4. Step 4: Simplify right side
    35,917.08x = 739,668,786.76
  5. Step 5: Solve for x
    x = 739,668,786.76/35,917.08
  6. Step 6: Final answer
    x = 20,593.79

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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.