Home / 27,104.65-40,660.85-8,386.29

Finding the Fourth Proportional to 27,104.65, 40,660.85 and 8,386.29

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Solution

The fourth proportional to 27,104.65, 40,660.85 and 8,386.29 is: 12,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.65 : 40,660.85 = 8,386.29 : x
  2. Step 2: Convert to fraction form
    27,104.65/40,660.85 = 8,386.29/x
  3. Step 3: Cross multiply
    27,104.65x = 40,660.85 × 8,386.29
  4. Step 4: Simplify right side
    27,104.65x = 340,993,599.06
  5. Step 5: Solve for x
    x = 340,993,599.06/27,104.65
  6. Step 6: Final answer
    x = 12,580.63

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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.