Home / 27,945.61-41,918.04-6,885.90

Finding the Fourth Proportional to 27,945.61, 41,918.04 and 6,885.90

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Solution

The fourth proportional to 27,945.61, 41,918.04 and 6,885.90 is: 10,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.61 : 41,918.04 = 6,885.90 : x
  2. Step 2: Convert to fraction form
    27,945.61/41,918.04 = 6,885.90/x
  3. Step 3: Cross multiply
    27,945.61x = 41,918.04 × 6,885.90
  4. Step 4: Simplify right side
    27,945.61x = 288,643,431.64
  5. Step 5: Solve for x
    x = 288,643,431.64/27,945.61
  6. Step 6: Final answer
    x = 10,328.76

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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.