Home / 25,689.73-38,472.30-17,770.02

Finding the Fourth Proportional to 25,689.73, 38,472.30 and 17,770.02

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Solution

The fourth proportional to 25,689.73, 38,472.30 and 17,770.02 is: 26,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.73 : 38,472.30 = 17,770.02 : x
  2. Step 2: Convert to fraction form
    25,689.73/38,472.30 = 17,770.02/x
  3. Step 3: Cross multiply
    25,689.73x = 38,472.30 × 17,770.02
  4. Step 4: Simplify right side
    25,689.73x = 683,653,540.45
  5. Step 5: Solve for x
    x = 683,653,540.45/25,689.73
  6. Step 6: Final answer
    x = 26,611.94

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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.