Home / 27,479.61-41,217.12-8,758.89

Finding the Fourth Proportional to 27,479.61, 41,217.12 and 8,758.89

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Solution

The fourth proportional to 27,479.61, 41,217.12 and 8,758.89 is: 13,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.61 : 41,217.12 = 8,758.89 : x
  2. Step 2: Convert to fraction form
    27,479.61/41,217.12 = 8,758.89/x
  3. Step 3: Cross multiply
    27,479.61x = 41,217.12 × 8,758.89
  4. Step 4: Simplify right side
    27,479.61x = 361,016,220.20
  5. Step 5: Solve for x
    x = 361,016,220.20/27,479.61
  6. Step 6: Final answer
    x = 13,137.60

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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.