Home / 28,909.38-43,364.10-11,369.64

Finding the Fourth Proportional to 28,909.38, 43,364.10 and 11,369.64

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Solution

The fourth proportional to 28,909.38, 43,364.10 and 11,369.64 is: 17,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.38 : 43,364.10 = 11,369.64 : x
  2. Step 2: Convert to fraction form
    28,909.38/43,364.10 = 11,369.64/x
  3. Step 3: Cross multiply
    28,909.38x = 43,364.10 × 11,369.64
  4. Step 4: Simplify right side
    28,909.38x = 493,034,205.92
  5. Step 5: Solve for x
    x = 493,034,205.92/28,909.38
  6. Step 6: Final answer
    x = 17,054.47

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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.