Home / 26,510.57-39,771.32-8,979.94

Finding the Fourth Proportional to 26,510.57, 39,771.32 and 8,979.94

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Solution

The fourth proportional to 26,510.57, 39,771.32 and 8,979.94 is: 13,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,510.57 : 39,771.32 = 8,979.94 : x
  2. Step 2: Convert to fraction form
    26,510.57/39,771.32 = 8,979.94/x
  3. Step 3: Cross multiply
    26,510.57x = 39,771.32 × 8,979.94
  4. Step 4: Simplify right side
    26,510.57x = 357,143,922.99
  5. Step 5: Solve for x
    x = 357,143,922.99/26,510.57
  6. Step 6: Final answer
    x = 13,471.76

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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.