Home / 28,968.04-43,449.72-11,438.02

Finding the Fourth Proportional to 28,968.04, 43,449.72 and 11,438.02

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Solution

The fourth proportional to 28,968.04, 43,449.72 and 11,438.02 is: 17,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.04 : 43,449.72 = 11,438.02 : x
  2. Step 2: Convert to fraction form
    28,968.04/43,449.72 = 11,438.02/x
  3. Step 3: Cross multiply
    28,968.04x = 43,449.72 × 11,438.02
  4. Step 4: Simplify right side
    28,968.04x = 496,978,766.35
  5. Step 5: Solve for x
    x = 496,978,766.35/28,968.04
  6. Step 6: Final answer
    x = 17,156.11

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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.