Home / 27,981.45-41,979.84-8,260.00

Finding the Fourth Proportional to 27,981.45, 41,979.84 and 8,260.00

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Solution

The fourth proportional to 27,981.45, 41,979.84 and 8,260.00 is: 12,392.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.45 : 41,979.84 = 8,260.00 : x
  2. Step 2: Convert to fraction form
    27,981.45/41,979.84 = 8,260.00/x
  3. Step 3: Cross multiply
    27,981.45x = 41,979.84 × 8,260.00
  4. Step 4: Simplify right side
    27,981.45x = 346,753,373.45
  5. Step 5: Solve for x
    x = 346,753,373.45/27,981.45
  6. Step 6: Final answer
    x = 12,392.26

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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.