Home / 25,215.36-34,772.16-19,899.52

Finding the Fourth Proportional to 25,215.36, 34,772.16 and 19,899.52

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Solution

The fourth proportional to 25,215.36, 34,772.16 and 19,899.52 is: 27,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.36 : 34,772.16 = 19,899.52 : x
  2. Step 2: Convert to fraction form
    25,215.36/34,772.16 = 19,899.52/x
  3. Step 3: Cross multiply
    25,215.36x = 34,772.16 × 19,899.52
  4. Step 4: Simplify right side
    25,215.36x = 691,949,293.36
  5. Step 5: Solve for x
    x = 691,949,293.36/25,215.36
  6. Step 6: Final answer
    x = 27,441.58

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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.