Home / 28,441.46-42,668.25-10,911.14

Finding the Fourth Proportional to 28,441.46, 42,668.25 and 10,911.14

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Solution

The fourth proportional to 28,441.46, 42,668.25 and 10,911.14 is: 16,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.46 : 42,668.25 = 10,911.14 : x
  2. Step 2: Convert to fraction form
    28,441.46/42,668.25 = 10,911.14/x
  3. Step 3: Cross multiply
    28,441.46x = 42,668.25 × 10,911.14
  4. Step 4: Simplify right side
    28,441.46x = 465,559,249.31
  5. Step 5: Solve for x
    x = 465,559,249.31/28,441.46
  6. Step 6: Final answer
    x = 16,369.03

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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.