Home / 25,115.06-34,571.78-21,710.50

Finding the Fourth Proportional to 25,115.06, 34,571.78 and 21,710.50

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Solution

The fourth proportional to 25,115.06, 34,571.78 and 21,710.50 is: 29,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.06 : 34,571.78 = 21,710.50 : x
  2. Step 2: Convert to fraction form
    25,115.06/34,571.78 = 21,710.50/x
  3. Step 3: Cross multiply
    25,115.06x = 34,571.78 × 21,710.50
  4. Step 4: Simplify right side
    25,115.06x = 750,570,629.69
  5. Step 5: Solve for x
    x = 750,570,629.69/25,115.06
  6. Step 6: Final answer
    x = 29,885.28

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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.