Home / 27,680.98-41,528.05-8,961.02

Finding the Fourth Proportional to 27,680.98, 41,528.05 and 8,961.02

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Solution

The fourth proportional to 27,680.98, 41,528.05 and 8,961.02 is: 13,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.98 : 41,528.05 = 8,961.02 : x
  2. Step 2: Convert to fraction form
    27,680.98/41,528.05 = 8,961.02/x
  3. Step 3: Cross multiply
    27,680.98x = 41,528.05 × 8,961.02
  4. Step 4: Simplify right side
    27,680.98x = 372,133,686.61
  5. Step 5: Solve for x
    x = 372,133,686.61/27,680.98
  6. Step 6: Final answer
    x = 13,443.66

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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.