Home / 25,039.75-34,554.57-13,709.11

Finding the Fourth Proportional to 25,039.75, 34,554.57 and 13,709.11

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Solution

The fourth proportional to 25,039.75, 34,554.57 and 13,709.11 is: 18,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,039.75 : 34,554.57 = 13,709.11 : x
  2. Step 2: Convert to fraction form
    25,039.75/34,554.57 = 13,709.11/x
  3. Step 3: Cross multiply
    25,039.75x = 34,554.57 × 13,709.11
  4. Step 4: Simplify right side
    25,039.75x = 473,712,401.13
  5. Step 5: Solve for x
    x = 473,712,401.13/25,039.75
  6. Step 6: Final answer
    x = 18,918.42

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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.