Home / 28,099.57-38,777.37-16,162.60

Finding the Fourth Proportional to 28,099.57, 38,777.37 and 16,162.60

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Solution

The fourth proportional to 28,099.57, 38,777.37 and 16,162.60 is: 22,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.57 : 38,777.37 = 16,162.60 : x
  2. Step 2: Convert to fraction form
    28,099.57/38,777.37 = 16,162.60/x
  3. Step 3: Cross multiply
    28,099.57x = 38,777.37 × 16,162.60
  4. Step 4: Simplify right side
    28,099.57x = 626,743,120.36
  5. Step 5: Solve for x
    x = 626,743,120.36/28,099.57
  6. Step 6: Final answer
    x = 22,304.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.