Home / 25,028.48-37,490.72-11,891.20

Finding the Fourth Proportional to 25,028.48, 37,490.72 and 11,891.20

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Solution

The fourth proportional to 25,028.48, 37,490.72 and 11,891.20 is: 17,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,028.48 : 37,490.72 = 11,891.20 : x
  2. Step 2: Convert to fraction form
    25,028.48/37,490.72 = 11,891.20/x
  3. Step 3: Cross multiply
    25,028.48x = 37,490.72 × 11,891.20
  4. Step 4: Simplify right side
    25,028.48x = 445,809,649.66
  5. Step 5: Solve for x
    x = 445,809,649.66/25,028.48
  6. Step 6: Final answer
    x = 17,812.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.