Home / 28,083.84-38,940.35-27,147.10

Finding the Fourth Proportional to 28,083.84, 38,940.35 and 27,147.10

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Solution

The fourth proportional to 28,083.84, 38,940.35 and 27,147.10 is: 37,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.84 : 38,940.35 = 27,147.10 : x
  2. Step 2: Convert to fraction form
    28,083.84/38,940.35 = 27,147.10/x
  3. Step 3: Cross multiply
    28,083.84x = 38,940.35 × 27,147.10
  4. Step 4: Simplify right side
    28,083.84x = 1,057,117,575.49
  5. Step 5: Solve for x
    x = 1,057,117,575.49/28,083.84
  6. Step 6: Final answer
    x = 37,641.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.