Home / 16,936.64-23,513.36-16,429.76

Finding the Fourth Proportional to 16,936.64, 23,513.36 and 16,429.76

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Solution

The fourth proportional to 16,936.64, 23,513.36 and 16,429.76 is: 22,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,936.64 : 23,513.36 = 16,429.76 : x
  2. Step 2: Convert to fraction form
    16,936.64/23,513.36 = 16,429.76/x
  3. Step 3: Cross multiply
    16,936.64x = 23,513.36 × 16,429.76
  4. Step 4: Simplify right side
    16,936.64x = 386,318,861.59
  5. Step 5: Solve for x
    x = 386,318,861.59/16,936.64
  6. Step 6: Final answer
    x = 22,809.65

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.