Home / 28,954.90-43,435.74-10,231.04

Finding the Fourth Proportional to 28,954.90, 43,435.74 and 10,231.04

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Solution

The fourth proportional to 28,954.90, 43,435.74 and 10,231.04 is: 15,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.90 : 43,435.74 = 10,231.04 : x
  2. Step 2: Convert to fraction form
    28,954.90/43,435.74 = 10,231.04/x
  3. Step 3: Cross multiply
    28,954.90x = 43,435.74 × 10,231.04
  4. Step 4: Simplify right side
    28,954.90x = 444,392,940.33
  5. Step 5: Solve for x
    x = 444,392,940.33/28,954.90
  6. Step 6: Final answer
    x = 15,347.76

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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.