Home / 25,102.71-34,641.81-13,772.97

Finding the Fourth Proportional to 25,102.71, 34,641.81 and 13,772.97

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Solution

The fourth proportional to 25,102.71, 34,641.81 and 13,772.97 is: 19,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.71 : 34,641.81 = 13,772.97 : x
  2. Step 2: Convert to fraction form
    25,102.71/34,641.81 = 13,772.97/x
  3. Step 3: Cross multiply
    25,102.71x = 34,641.81 × 13,772.97
  4. Step 4: Simplify right side
    25,102.71x = 477,120,609.88
  5. Step 5: Solve for x
    x = 477,120,609.88/25,102.71
  6. Step 6: Final answer
    x = 19,006.74

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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.