Home / 18,528.90-27,793.35-10,728.60

Finding the Fourth Proportional to 18,528.90, 27,793.35 and 10,728.60

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Solution

The fourth proportional to 18,528.90, 27,793.35 and 10,728.60 is: 16,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.90 : 27,793.35 = 10,728.60 : x
  2. Step 2: Convert to fraction form
    18,528.90/27,793.35 = 10,728.60/x
  3. Step 3: Cross multiply
    18,528.90x = 27,793.35 × 10,728.60
  4. Step 4: Simplify right side
    18,528.90x = 298,183,734.81
  5. Step 5: Solve for x
    x = 298,183,734.81/18,528.90
  6. Step 6: Final answer
    x = 16,092.90

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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.