Home / 27,114.08-40,656.20-8,388.90

Finding the Fourth Proportional to 27,114.08, 40,656.20 and 8,388.90

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Solution

The fourth proportional to 27,114.08, 40,656.20 and 8,388.90 is: 12,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,114.08 : 40,656.20 = 8,388.90 : x
  2. Step 2: Convert to fraction form
    27,114.08/40,656.20 = 8,388.90/x
  3. Step 3: Cross multiply
    27,114.08x = 40,656.20 × 8,388.90
  4. Step 4: Simplify right side
    27,114.08x = 341,060,754.24
  5. Step 5: Solve for x
    x = 341,060,754.24/27,114.08
  6. Step 6: Final answer
    x = 12,578.73

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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.