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Finding the Fourth Proportional to 27,699.62, 41,554.28 and 11,914.34

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Solution

The fourth proportional to 27,699.62, 41,554.28 and 11,914.34 is: 17,873.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.62 : 41,554.28 = 11,914.34 : x
  2. Step 2: Convert to fraction form
    27,699.62/41,554.28 = 11,914.34/x
  3. Step 3: Cross multiply
    27,699.62x = 41,554.28 × 11,914.34
  4. Step 4: Simplify right side
    27,699.62x = 495,091,642.39
  5. Step 5: Solve for x
    x = 495,091,642.39/27,699.62
  6. Step 6: Final answer
    x = 17,873.59

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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.