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Finding the Fourth Proportional to 19,473.50, 26,872.86 and 10,976.12

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Solution

The fourth proportional to 19,473.50, 26,872.86 and 10,976.12 is: 15,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.50 : 26,872.86 = 10,976.12 : x
  2. Step 2: Convert to fraction form
    19,473.50/26,872.86 = 10,976.12/x
  3. Step 3: Cross multiply
    19,473.50x = 26,872.86 × 10,976.12
  4. Step 4: Simplify right side
    19,473.50x = 294,959,736.10
  5. Step 5: Solve for x
    x = 294,959,736.10/19,473.50
  6. Step 6: Final answer
    x = 15,146.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.