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Finding the Fourth Proportional to 27,887.69, 41,839.72 and 11,239.15

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Solution

The fourth proportional to 27,887.69, 41,839.72 and 11,239.15 is: 16,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.69 : 41,839.72 = 11,239.15 : x
  2. Step 2: Convert to fraction form
    27,887.69/41,839.72 = 11,239.15/x
  3. Step 3: Cross multiply
    27,887.69x = 41,839.72 × 11,239.15
  4. Step 4: Simplify right side
    27,887.69x = 470,242,756.34
  5. Step 5: Solve for x
    x = 470,242,756.34/27,887.69
  6. Step 6: Final answer
    x = 16,862.02

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1.5x scale

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.