Home / 27,328.45-40,994.15-8,609.95

Finding the Fourth Proportional to 27,328.45, 40,994.15 and 8,609.95

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Solution

The fourth proportional to 27,328.45, 40,994.15 and 8,609.95 is: 12,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328.45 : 40,994.15 = 8,609.95 : x
  2. Step 2: Convert to fraction form
    27,328.45/40,994.15 = 8,609.95/x
  3. Step 3: Cross multiply
    27,328.45x = 40,994.15 × 8,609.95
  4. Step 4: Simplify right side
    27,328.45x = 352,957,581.79
  5. Step 5: Solve for x
    x = 352,957,581.79/27,328.45
  6. Step 6: Final answer
    x = 12,915.39

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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.