Home / 27,119.33-40,651.65-12,338.85

Finding the Fourth Proportional to 27,119.33, 40,651.65 and 12,338.85

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Solution

The fourth proportional to 27,119.33, 40,651.65 and 12,338.85 is: 18,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.33 : 40,651.65 = 12,338.85 : x
  2. Step 2: Convert to fraction form
    27,119.33/40,651.65 = 12,338.85/x
  3. Step 3: Cross multiply
    27,119.33x = 40,651.65 × 12,338.85
  4. Step 4: Simplify right side
    27,119.33x = 501,594,611.60
  5. Step 5: Solve for x
    x = 501,594,611.60/27,119.33
  6. Step 6: Final answer
    x = 18,495.84

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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.