Home / 27,135.24-40,765.24-19,148.40

Finding the Fourth Proportional to 27,135.24, 40,765.24 and 19,148.40

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Solution

The fourth proportional to 27,135.24, 40,765.24 and 19,148.40 is: 28,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.24 : 40,765.24 = 19,148.40 : x
  2. Step 2: Convert to fraction form
    27,135.24/40,765.24 = 19,148.40/x
  3. Step 3: Cross multiply
    27,135.24x = 40,765.24 × 19,148.40
  4. Step 4: Simplify right side
    27,135.24x = 780,589,145.55
  5. Step 5: Solve for x
    x = 780,589,145.55/27,135.24
  6. Step 6: Final answer
    x = 28,766.62

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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.