Home / 27,219.11-40,822.45-7,499.39

Finding the Fourth Proportional to 27,219.11, 40,822.45 and 7,499.39

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Solution

The fourth proportional to 27,219.11, 40,822.45 and 7,499.39 is: 11,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.11 : 40,822.45 = 7,499.39 : x
  2. Step 2: Convert to fraction form
    27,219.11/40,822.45 = 7,499.39/x
  3. Step 3: Cross multiply
    27,219.11x = 40,822.45 × 7,499.39
  4. Step 4: Simplify right side
    27,219.11x = 306,143,473.31
  5. Step 5: Solve for x
    x = 306,143,473.31/27,219.11
  6. Step 6: Final answer
    x = 11,247.37

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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.