Home / 25,890.98-38,809.49-17,571.65

Finding the Fourth Proportional to 25,890.98, 38,809.49 and 17,571.65

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Solution

The fourth proportional to 25,890.98, 38,809.49 and 17,571.65 is: 26,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.98 : 38,809.49 = 17,571.65 : x
  2. Step 2: Convert to fraction form
    25,890.98/38,809.49 = 17,571.65/x
  3. Step 3: Cross multiply
    25,890.98x = 38,809.49 × 17,571.65
  4. Step 4: Simplify right side
    25,890.98x = 681,946,493.05
  5. Step 5: Solve for x
    x = 681,946,493.05/25,890.98
  6. Step 6: Final answer
    x = 26,339.16

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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.