Home / 27,067.12-40,599.72-12,265.68

Finding the Fourth Proportional to 27,067.12, 40,599.72 and 12,265.68

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Solution

The fourth proportional to 27,067.12, 40,599.72 and 12,265.68 is: 18,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.12 : 40,599.72 = 12,265.68 : x
  2. Step 2: Convert to fraction form
    27,067.12/40,599.72 = 12,265.68/x
  3. Step 3: Cross multiply
    27,067.12x = 40,599.72 × 12,265.68
  4. Step 4: Simplify right side
    27,067.12x = 497,982,970.61
  5. Step 5: Solve for x
    x = 497,982,970.61/27,067.12
  6. Step 6: Final answer
    x = 18,398.08

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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.