Home / 27,078.04-40,620.91-8,359.62

Finding the Fourth Proportional to 27,078.04, 40,620.91 and 8,359.62

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Solution

The fourth proportional to 27,078.04, 40,620.91 and 8,359.62 is: 12,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.04 : 40,620.91 = 8,359.62 : x
  2. Step 2: Convert to fraction form
    27,078.04/40,620.91 = 8,359.62/x
  3. Step 3: Cross multiply
    27,078.04x = 40,620.91 × 8,359.62
  4. Step 4: Simplify right side
    27,078.04x = 339,575,371.65
  5. Step 5: Solve for x
    x = 339,575,371.65/27,078.04
  6. Step 6: Final answer
    x = 12,540.62

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1.5x scale

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.