Home / 26,892.12-40,339.98-7,170.24

Finding the Fourth Proportional to 26,892.12, 40,339.98 and 7,170.24

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Solution

The fourth proportional to 26,892.12, 40,339.98 and 7,170.24 is: 10,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.12 : 40,339.98 = 7,170.24 : x
  2. Step 2: Convert to fraction form
    26,892.12/40,339.98 = 7,170.24/x
  3. Step 3: Cross multiply
    26,892.12x = 40,339.98 × 7,170.24
  4. Step 4: Simplify right side
    26,892.12x = 289,247,338.20
  5. Step 5: Solve for x
    x = 289,247,338.20/26,892.12
  6. Step 6: Final answer
    x = 10,755.84

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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.