Home / 15,821.28-23,731.07-8,029.89

Finding the Fourth Proportional to 15,821.28, 23,731.07 and 8,029.89

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Solution

The fourth proportional to 15,821.28, 23,731.07 and 8,029.89 is: 12,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.28 : 23,731.07 = 8,029.89 : x
  2. Step 2: Convert to fraction form
    15,821.28/23,731.07 = 8,029.89/x
  3. Step 3: Cross multiply
    15,821.28x = 23,731.07 × 8,029.89
  4. Step 4: Simplify right side
    15,821.28x = 190,557,841.53
  5. Step 5: Solve for x
    x = 190,557,841.53/15,821.28
  6. Step 6: Final answer
    x = 12,044.40

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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.