Home / 27,428.43-41,138.46-8,706.06

Finding the Fourth Proportional to 27,428.43, 41,138.46 and 8,706.06

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Solution

The fourth proportional to 27,428.43, 41,138.46 and 8,706.06 is: 13,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.43 : 41,138.46 = 8,706.06 : x
  2. Step 2: Convert to fraction form
    27,428.43/41,138.46 = 8,706.06/x
  3. Step 3: Cross multiply
    27,428.43x = 41,138.46 × 8,706.06
  4. Step 4: Simplify right side
    27,428.43x = 358,153,901.07
  5. Step 5: Solve for x
    x = 358,153,901.07/27,428.43
  6. Step 6: Final answer
    x = 13,057.76

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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.