Home / 28,898.26-43,347.39-12,246.61

Finding the Fourth Proportional to 28,898.26, 43,347.39 and 12,246.61

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Solution

The fourth proportional to 28,898.26, 43,347.39 and 12,246.61 is: 18,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.26 : 43,347.39 = 12,246.61 : x
  2. Step 2: Convert to fraction form
    28,898.26/43,347.39 = 12,246.61/x
  3. Step 3: Cross multiply
    28,898.26x = 43,347.39 × 12,246.61
  4. Step 4: Simplify right side
    28,898.26x = 530,858,652.93
  5. Step 5: Solve for x
    x = 530,858,652.93/28,898.26
  6. Step 6: Final answer
    x = 18,369.92

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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.