Home / 25,972.80-38,966.40-17,224.80

Finding the Fourth Proportional to 25,972.80, 38,966.40 and 17,224.80

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Solution

The fourth proportional to 25,972.80, 38,966.40 and 17,224.80 is: 25,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.80 : 38,966.40 = 17,224.80 : x
  2. Step 2: Convert to fraction form
    25,972.80/38,966.40 = 17,224.80/x
  3. Step 3: Cross multiply
    25,972.80x = 38,966.40 × 17,224.80
  4. Step 4: Simplify right side
    25,972.80x = 671,188,446.72
  5. Step 5: Solve for x
    x = 671,188,446.72/25,972.80
  6. Step 6: Final answer
    x = 25,841.97

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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.