Home / 28,729.50-43,005.14-15,549.18

Finding the Fourth Proportional to 28,729.50, 43,005.14 and 15,549.18

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Solution

The fourth proportional to 28,729.50, 43,005.14 and 15,549.18 is: 23,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.50 : 43,005.14 = 15,549.18 : x
  2. Step 2: Convert to fraction form
    28,729.50/43,005.14 = 15,549.18/x
  3. Step 3: Cross multiply
    28,729.50x = 43,005.14 × 15,549.18
  4. Step 4: Simplify right side
    28,729.50x = 668,694,662.79
  5. Step 5: Solve for x
    x = 668,694,662.79/28,729.50
  6. Step 6: Final answer
    x = 23,275.54

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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.