Home / 25,770.24-38,635.92-17,429.40

Finding the Fourth Proportional to 25,770.24, 38,635.92 and 17,429.40

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Solution

The fourth proportional to 25,770.24, 38,635.92 and 17,429.40 is: 26,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.24 : 38,635.92 = 17,429.40 : x
  2. Step 2: Convert to fraction form
    25,770.24/38,635.92 = 17,429.40/x
  3. Step 3: Cross multiply
    25,770.24x = 38,635.92 × 17,429.40
  4. Step 4: Simplify right side
    25,770.24x = 673,400,904.05
  5. Step 5: Solve for x
    x = 673,400,904.05/25,770.24
  6. Step 6: Final answer
    x = 26,130.95

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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.