Home / 26,429.68-39,614.28-10,828

Finding the Fourth Proportional to 26,429.68, 39,614.28 and 10,828

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Solution

The fourth proportional to 26,429.68, 39,614.28 and 10,828 is: 16,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.68 : 39,614.28 = 10,828 : x
  2. Step 2: Convert to fraction form
    26,429.68/39,614.28 = 10,828/x
  3. Step 3: Cross multiply
    26,429.68x = 39,614.28 × 10,828
  4. Step 4: Simplify right side
    26,429.68x = 428,943,423.84
  5. Step 5: Solve for x
    x = 428,943,423.84/26,429.68
  6. Step 6: Final answer
    x = 16,229.61

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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.