Home / 22,734.24-31,374.82-13,782.12

Finding the Fourth Proportional to 22,734.24, 31,374.82 and 13,782.12

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Solution

The fourth proportional to 22,734.24, 31,374.82 and 13,782.12 is: 19,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,734.24 : 31,374.82 = 13,782.12 : x
  2. Step 2: Convert to fraction form
    22,734.24/31,374.82 = 13,782.12/x
  3. Step 3: Cross multiply
    22,734.24x = 31,374.82 × 13,782.12
  4. Step 4: Simplify right side
    22,734.24x = 432,411,377.34
  5. Step 5: Solve for x
    x = 432,411,377.34/22,734.24
  6. Step 6: Final answer
    x = 19,020.27

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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.