Home / 18,629.32-27,943.89-4,589.32

Finding the Fourth Proportional to 18,629.32, 27,943.89 and 4,589.32

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Solution

The fourth proportional to 18,629.32, 27,943.89 and 4,589.32 is: 6,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.32 : 27,943.89 = 4,589.32 : x
  2. Step 2: Convert to fraction form
    18,629.32/27,943.89 = 4,589.32/x
  3. Step 3: Cross multiply
    18,629.32x = 27,943.89 × 4,589.32
  4. Step 4: Simplify right side
    18,629.32x = 128,243,453.25
  5. Step 5: Solve for x
    x = 128,243,453.25/18,629.32
  6. Step 6: Final answer
    x = 6,883.96

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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.