Home / 28,850.14-43,272.78-9,125.84

Finding the Fourth Proportional to 28,850.14, 43,272.78 and 9,125.84

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Solution

The fourth proportional to 28,850.14, 43,272.78 and 9,125.84 is: 13,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.14 : 43,272.78 = 9,125.84 : x
  2. Step 2: Convert to fraction form
    28,850.14/43,272.78 = 9,125.84/x
  3. Step 3: Cross multiply
    28,850.14x = 43,272.78 × 9,125.84
  4. Step 4: Simplify right side
    28,850.14x = 394,900,466.64
  5. Step 5: Solve for x
    x = 394,900,466.64/28,850.14
  6. Step 6: Final answer
    x = 13,687.99

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1.5x scale

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.