Home / 25,821.75-38,725.12-10,828.46

Finding the Fourth Proportional to 25,821.75, 38,725.12 and 10,828.46

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Solution

The fourth proportional to 25,821.75, 38,725.12 and 10,828.46 is: 16,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.75 : 38,725.12 = 10,828.46 : x
  2. Step 2: Convert to fraction form
    25,821.75/38,725.12 = 10,828.46/x
  3. Step 3: Cross multiply
    25,821.75x = 38,725.12 × 10,828.46
  4. Step 4: Simplify right side
    25,821.75x = 419,333,165.15
  5. Step 5: Solve for x
    x = 419,333,165.15/25,821.75
  6. Step 6: Final answer
    x = 16,239.53

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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.