Home / 28,974.80-43,462.20-9,255.35

Finding the Fourth Proportional to 28,974.80, 43,462.20 and 9,255.35

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Solution

The fourth proportional to 28,974.80, 43,462.20 and 9,255.35 is: 13,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.80 : 43,462.20 = 9,255.35 : x
  2. Step 2: Convert to fraction form
    28,974.80/43,462.20 = 9,255.35/x
  3. Step 3: Cross multiply
    28,974.80x = 43,462.20 × 9,255.35
  4. Step 4: Simplify right side
    28,974.80x = 402,257,872.77
  5. Step 5: Solve for x
    x = 402,257,872.77/28,974.80
  6. Step 6: Final answer
    x = 13,883.03

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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.