Home / 27,279.60-40,914.85-7,560.15

Finding the Fourth Proportional to 27,279.60, 40,914.85 and 7,560.15

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Solution

The fourth proportional to 27,279.60, 40,914.85 and 7,560.15 is: 11,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.60 : 40,914.85 = 7,560.15 : x
  2. Step 2: Convert to fraction form
    27,279.60/40,914.85 = 7,560.15/x
  3. Step 3: Cross multiply
    27,279.60x = 40,914.85 × 7,560.15
  4. Step 4: Simplify right side
    27,279.60x = 309,322,403.23
  5. Step 5: Solve for x
    x = 309,322,403.23/27,279.60
  6. Step 6: Final answer
    x = 11,338.96

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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.