Home / 28,252.08-42,361.64-8,524.72

Finding the Fourth Proportional to 28,252.08, 42,361.64 and 8,524.72

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Solution

The fourth proportional to 28,252.08, 42,361.64 and 8,524.72 is: 12,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.08 : 42,361.64 = 8,524.72 : x
  2. Step 2: Convert to fraction form
    28,252.08/42,361.64 = 8,524.72/x
  3. Step 3: Cross multiply
    28,252.08x = 42,361.64 × 8,524.72
  4. Step 4: Simplify right side
    28,252.08x = 361,121,119.74
  5. Step 5: Solve for x
    x = 361,121,119.74/28,252.08
  6. Step 6: Final answer
    x = 12,782.11

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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.