Home / 31,023.27-42,811.92-16,876.17

Finding the Fourth Proportional to 31,023.27, 42,811.92 and 16,876.17

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Solution

The fourth proportional to 31,023.27, 42,811.92 and 16,876.17 is: 23,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023.27 : 42,811.92 = 16,876.17 : x
  2. Step 2: Convert to fraction form
    31,023.27/42,811.92 = 16,876.17/x
  3. Step 3: Cross multiply
    31,023.27x = 42,811.92 × 16,876.17
  4. Step 4: Simplify right side
    31,023.27x = 722,501,239.95
  5. Step 5: Solve for x
    x = 722,501,239.95/31,023.27
  6. Step 6: Final answer
    x = 23,289.01

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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.