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Finding the Fourth Proportional to 27,103.04, 40,654.08 and 7,381.28

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Solution

The fourth proportional to 27,103.04, 40,654.08 and 7,381.28 is: 11,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.04 : 40,654.08 = 7,381.28 : x
  2. Step 2: Convert to fraction form
    27,103.04/40,654.08 = 7,381.28/x
  3. Step 3: Cross multiply
    27,103.04x = 40,654.08 × 7,381.28
  4. Step 4: Simplify right side
    27,103.04x = 300,079,147.62
  5. Step 5: Solve for x
    x = 300,079,147.62/27,103.04
  6. Step 6: Final answer
    x = 11,071.79

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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.