Home / 25,051.57-34,571.69-13,721.55

Finding the Fourth Proportional to 25,051.57, 34,571.69 and 13,721.55

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Solution

The fourth proportional to 25,051.57, 34,571.69 and 13,721.55 is: 18,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,051.57 : 34,571.69 = 13,721.55 : x
  2. Step 2: Convert to fraction form
    25,051.57/34,571.69 = 13,721.55/x
  3. Step 3: Cross multiply
    25,051.57x = 34,571.69 × 13,721.55
  4. Step 4: Simplify right side
    25,051.57x = 474,377,172.92
  5. Step 5: Solve for x
    x = 474,377,172.92/25,051.57
  6. Step 6: Final answer
    x = 18,936.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.