Home / 38,162.78-52,652.72-22,028.02

Finding the Fourth Proportional to 38,162.78, 52,652.72 and 22,028.02

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Solution

The fourth proportional to 38,162.78, 52,652.72 and 22,028.02 is: 30,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.78 : 52,652.72 = 22,028.02 : x
  2. Step 2: Convert to fraction form
    38,162.78/52,652.72 = 22,028.02/x
  3. Step 3: Cross multiply
    38,162.78x = 52,652.72 × 22,028.02
  4. Step 4: Simplify right side
    38,162.78x = 1,159,835,169.21
  5. Step 5: Solve for x
    x = 1,159,835,169.21/38,162.78
  6. Step 6: Final answer
    x = 30,391.79

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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.