Home / 28,924.21-43,385.50-9,203.95

Finding the Fourth Proportional to 28,924.21, 43,385.50 and 9,203.95

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Solution

The fourth proportional to 28,924.21, 43,385.50 and 9,203.95 is: 13,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.21 : 43,385.50 = 9,203.95 : x
  2. Step 2: Convert to fraction form
    28,924.21/43,385.50 = 9,203.95/x
  3. Step 3: Cross multiply
    28,924.21x = 43,385.50 × 9,203.95
  4. Step 4: Simplify right side
    28,924.21x = 399,317,972.73
  5. Step 5: Solve for x
    x = 399,317,972.73/28,924.21
  6. Step 6: Final answer
    x = 13,805.67

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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.