Home / 17,984.05-26,977.29-8,626.12

Finding the Fourth Proportional to 17,984.05, 26,977.29 and 8,626.12

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Solution

The fourth proportional to 17,984.05, 26,977.29 and 8,626.12 is: 12,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.05 : 26,977.29 = 8,626.12 : x
  2. Step 2: Convert to fraction form
    17,984.05/26,977.29 = 8,626.12/x
  3. Step 3: Cross multiply
    17,984.05x = 26,977.29 × 8,626.12
  4. Step 4: Simplify right side
    17,984.05x = 232,709,162.80
  5. Step 5: Solve for x
    x = 232,709,162.80/17,984.05
  6. Step 6: Final answer
    x = 12,939.76

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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.