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Finding the Fourth Proportional to 27,465.40, 41,198.10 and 20,904.40

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Solution

The fourth proportional to 27,465.40, 41,198.10 and 20,904.40 is: 31,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,465.40 : 41,198.10 = 20,904.40 : x
  2. Step 2: Convert to fraction form
    27,465.40/41,198.10 = 20,904.40/x
  3. Step 3: Cross multiply
    27,465.40x = 41,198.10 × 20,904.40
  4. Step 4: Simplify right side
    27,465.40x = 861,221,561.64
  5. Step 5: Solve for x
    x = 861,221,561.64/27,465.40
  6. Step 6: Final answer
    x = 31,356.60

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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.