Home / 18,589.64-27,898.22-10,276.81

Finding the Fourth Proportional to 18,589.64, 27,898.22 and 10,276.81

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Solution

The fourth proportional to 18,589.64, 27,898.22 and 10,276.81 is: 15,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.64 : 27,898.22 = 10,276.81 : x
  2. Step 2: Convert to fraction form
    18,589.64/27,898.22 = 10,276.81/x
  3. Step 3: Cross multiply
    18,589.64x = 27,898.22 × 10,276.81
  4. Step 4: Simplify right side
    18,589.64x = 286,704,662.22
  5. Step 5: Solve for x
    x = 286,704,662.22/18,589.64
  6. Step 6: Final answer
    x = 15,422.82

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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.