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Finding the Fourth Proportional to 27,150.80, 40,714.65 and 12,369.11

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Solution

The fourth proportional to 27,150.80, 40,714.65 and 12,369.11 is: 18,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.80 : 40,714.65 = 12,369.11 : x
  2. Step 2: Convert to fraction form
    27,150.80/40,714.65 = 12,369.11/x
  3. Step 3: Cross multiply
    27,150.80x = 40,714.65 × 12,369.11
  4. Step 4: Simplify right side
    27,150.80x = 503,603,780.89
  5. Step 5: Solve for x
    x = 503,603,780.89/27,150.80
  6. Step 6: Final answer
    x = 18,548.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.