Home / 28,183.68-38,911.68-17,577.60

Finding the Fourth Proportional to 28,183.68, 38,911.68 and 17,577.60

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Solution

The fourth proportional to 28,183.68, 38,911.68 and 17,577.60 is: 24,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.68 : 38,911.68 = 17,577.60 : x
  2. Step 2: Convert to fraction form
    28,183.68/38,911.68 = 17,577.60/x
  3. Step 3: Cross multiply
    28,183.68x = 38,911.68 × 17,577.60
  4. Step 4: Simplify right side
    28,183.68x = 683,973,946.37
  5. Step 5: Solve for x
    x = 683,973,946.37/28,183.68
  6. Step 6: Final answer
    x = 24,268.44

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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.