Home / 28,992.83-43,475.53-11,231.81

Finding the Fourth Proportional to 28,992.83, 43,475.53 and 11,231.81

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Solution

The fourth proportional to 28,992.83, 43,475.53 and 11,231.81 is: 16,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.83 : 43,475.53 = 11,231.81 : x
  2. Step 2: Convert to fraction form
    28,992.83/43,475.53 = 11,231.81/x
  3. Step 3: Cross multiply
    28,992.83x = 43,475.53 × 11,231.81
  4. Step 4: Simplify right side
    28,992.83x = 488,308,647.15
  5. Step 5: Solve for x
    x = 488,308,647.15/28,992.83
  6. Step 6: Final answer
    x = 16,842.40

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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.