Home / 25,121.25-34,667.46-15,695.28

Finding the Fourth Proportional to 25,121.25, 34,667.46 and 15,695.28

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Solution

The fourth proportional to 25,121.25, 34,667.46 and 15,695.28 is: 21,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.25 : 34,667.46 = 15,695.28 : x
  2. Step 2: Convert to fraction form
    25,121.25/34,667.46 = 15,695.28/x
  3. Step 3: Cross multiply
    25,121.25x = 34,667.46 × 15,695.28
  4. Step 4: Simplify right side
    25,121.25x = 544,115,491.59
  5. Step 5: Solve for x
    x = 544,115,491.59/25,121.25
  6. Step 6: Final answer
    x = 21,659.57

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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.