Home / 27,419.75-41,129.85-6,643.25

Finding the Fourth Proportional to 27,419.75, 41,129.85 and 6,643.25

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Solution

The fourth proportional to 27,419.75, 41,129.85 and 6,643.25 is: 9,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.75 : 41,129.85 = 6,643.25 : x
  2. Step 2: Convert to fraction form
    27,419.75/41,129.85 = 6,643.25/x
  3. Step 3: Cross multiply
    27,419.75x = 41,129.85 × 6,643.25
  4. Step 4: Simplify right side
    27,419.75x = 273,235,876.01
  5. Step 5: Solve for x
    x = 273,235,876.01/27,419.75
  6. Step 6: Final answer
    x = 9,964.93

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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.