Home / 23,182.49-31,991.67-12,572.12

Finding the Fourth Proportional to 23,182.49, 31,991.67 and 12,572.12

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Solution

The fourth proportional to 23,182.49, 31,991.67 and 12,572.12 is: 17,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.49 : 31,991.67 = 12,572.12 : x
  2. Step 2: Convert to fraction form
    23,182.49/31,991.67 = 12,572.12/x
  3. Step 3: Cross multiply
    23,182.49x = 31,991.67 × 12,572.12
  4. Step 4: Simplify right side
    23,182.49x = 402,202,954.28
  5. Step 5: Solve for x
    x = 402,202,954.28/23,182.49
  6. Step 6: Final answer
    x = 17,349.43

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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.