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Finding the Fourth Proportional to 23,155.07, 31,954.02 and 12,544.70

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Solution

The fourth proportional to 23,155.07, 31,954.02 and 12,544.70 is: 17,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.07 : 31,954.02 = 12,544.70 : x
  2. Step 2: Convert to fraction form
    23,155.07/31,954.02 = 12,544.70/x
  3. Step 3: Cross multiply
    23,155.07x = 31,954.02 × 12,544.70
  4. Step 4: Simplify right side
    23,155.07x = 400,853,434.92
  5. Step 5: Solve for x
    x = 400,853,434.92/23,155.07
  6. Step 6: Final answer
    x = 17,311.70

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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.