Home / 28,734.50-43,101.76-9,014.60

Finding the Fourth Proportional to 28,734.50, 43,101.76 and 9,014.60

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Solution

The fourth proportional to 28,734.50, 43,101.76 and 9,014.60 is: 13,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.50 : 43,101.76 = 9,014.60 : x
  2. Step 2: Convert to fraction form
    28,734.50/43,101.76 = 9,014.60/x
  3. Step 3: Cross multiply
    28,734.50x = 43,101.76 × 9,014.60
  4. Step 4: Simplify right side
    28,734.50x = 388,545,125.70
  5. Step 5: Solve for x
    x = 388,545,125.70/28,734.50
  6. Step 6: Final answer
    x = 13,521.90

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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.