Home / 27,850.84-38,433.62-15,751.10

Finding the Fourth Proportional to 27,850.84, 38,433.62 and 15,751.10

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Solution

The fourth proportional to 27,850.84, 38,433.62 and 15,751.10 is: 21,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.84 : 38,433.62 = 15,751.10 : x
  2. Step 2: Convert to fraction form
    27,850.84/38,433.62 = 15,751.10/x
  3. Step 3: Cross multiply
    27,850.84x = 38,433.62 × 15,751.10
  4. Step 4: Simplify right side
    27,850.84x = 605,371,927.44
  5. Step 5: Solve for x
    x = 605,371,927.44/27,850.84
  6. Step 6: Final answer
    x = 21,736.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.