Home / 31,026.11-42,816.21-16,878.92

Finding the Fourth Proportional to 31,026.11, 42,816.21 and 16,878.92

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Solution

The fourth proportional to 31,026.11, 42,816.21 and 16,878.92 is: 23,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,026.11 : 42,816.21 = 16,878.92 : x
  2. Step 2: Convert to fraction form
    31,026.11/42,816.21 = 16,878.92/x
  3. Step 3: Cross multiply
    31,026.11x = 42,816.21 × 16,878.92
  4. Step 4: Simplify right side
    31,026.11x = 722,691,383.29
  5. Step 5: Solve for x
    x = 722,691,383.29/31,026.11
  6. Step 6: Final answer
    x = 23,293.01

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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.