Home / 25,751.32-38,622.66-7,279

Finding the Fourth Proportional to 25,751.32, 38,622.66 and 7,279

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Solution

The fourth proportional to 25,751.32, 38,622.66 and 7,279 is: 10,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.32 : 38,622.66 = 7,279 : x
  2. Step 2: Convert to fraction form
    25,751.32/38,622.66 = 7,279/x
  3. Step 3: Cross multiply
    25,751.32x = 38,622.66 × 7,279
  4. Step 4: Simplify right side
    25,751.32x = 281,134,342.14
  5. Step 5: Solve for x
    x = 281,134,342.14/25,751.32
  6. Step 6: Final answer
    x = 10,917.28

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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.