Home / 27,240.80-40,863.56-7,519.37

Finding the Fourth Proportional to 27,240.80, 40,863.56 and 7,519.37

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Solution

The fourth proportional to 27,240.80, 40,863.56 and 7,519.37 is: 11,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.80 : 40,863.56 = 7,519.37 : x
  2. Step 2: Convert to fraction form
    27,240.80/40,863.56 = 7,519.37/x
  3. Step 3: Cross multiply
    27,240.80x = 40,863.56 × 7,519.37
  4. Step 4: Simplify right side
    27,240.80x = 307,268,041.64
  5. Step 5: Solve for x
    x = 307,268,041.64/27,240.80
  6. Step 6: Final answer
    x = 11,279.70

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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.