Home / 25,661.94-38,489.71-7,195.38

Finding the Fourth Proportional to 25,661.94, 38,489.71 and 7,195.38

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Solution

The fourth proportional to 25,661.94, 38,489.71 and 7,195.38 is: 10,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.94 : 38,489.71 = 7,195.38 : x
  2. Step 2: Convert to fraction form
    25,661.94/38,489.71 = 7,195.38/x
  3. Step 3: Cross multiply
    25,661.94x = 38,489.71 × 7,195.38
  4. Step 4: Simplify right side
    25,661.94x = 276,948,089.54
  5. Step 5: Solve for x
    x = 276,948,089.54/25,661.94
  6. Step 6: Final answer
    x = 10,792.17

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Why These Related Problems?

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