Home / 27,628.75-41,443.52-7,907.32

Finding the Fourth Proportional to 27,628.75, 41,443.52 and 7,907.32

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Solution

The fourth proportional to 27,628.75, 41,443.52 and 7,907.32 is: 11,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,628.75 : 41,443.52 = 7,907.32 : x
  2. Step 2: Convert to fraction form
    27,628.75/41,443.52 = 7,907.32/x
  3. Step 3: Cross multiply
    27,628.75x = 41,443.52 × 7,907.32
  4. Step 4: Simplify right side
    27,628.75x = 327,706,927.81
  5. Step 5: Solve for x
    x = 327,706,927.81/27,628.75
  6. Step 6: Final answer
    x = 11,861.09

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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.