Home / 28,762.66-43,154.31-11,245.06

Finding the Fourth Proportional to 28,762.66, 43,154.31 and 11,245.06

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Solution

The fourth proportional to 28,762.66, 43,154.31 and 11,245.06 is: 16,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.66 : 43,154.31 = 11,245.06 : x
  2. Step 2: Convert to fraction form
    28,762.66/43,154.31 = 11,245.06/x
  3. Step 3: Cross multiply
    28,762.66x = 43,154.31 × 11,245.06
  4. Step 4: Simplify right side
    28,762.66x = 485,272,805.21
  5. Step 5: Solve for x
    x = 485,272,805.21/28,762.66
  6. Step 6: Final answer
    x = 16,871.62

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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.