Home / 25,017.82-34,524.33-13,687.20

Finding the Fourth Proportional to 25,017.82, 34,524.33 and 13,687.20

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Solution

The fourth proportional to 25,017.82, 34,524.33 and 13,687.20 is: 18,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,017.82 : 34,524.33 = 13,687.20 : x
  2. Step 2: Convert to fraction form
    25,017.82/34,524.33 = 13,687.20/x
  3. Step 3: Cross multiply
    25,017.82x = 34,524.33 × 13,687.20
  4. Step 4: Simplify right side
    25,017.82x = 472,541,409.58
  5. Step 5: Solve for x
    x = 472,541,409.58/25,017.82
  6. Step 6: Final answer
    x = 18,888.19

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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.