Home / 25,181.78-34,749.79-13,850.55

Finding the Fourth Proportional to 25,181.78, 34,749.79 and 13,850.55

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Solution

The fourth proportional to 25,181.78, 34,749.79 and 13,850.55 is: 19,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,181.78 : 34,749.79 = 13,850.55 : x
  2. Step 2: Convert to fraction form
    25,181.78/34,749.79 = 13,850.55/x
  3. Step 3: Cross multiply
    25,181.78x = 34,749.79 × 13,850.55
  4. Step 4: Simplify right side
    25,181.78x = 481,303,669.26
  5. Step 5: Solve for x
    x = 481,303,669.26/25,181.78
  6. Step 6: Final answer
    x = 19,113.17

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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.