Home / 18,902.45-28,286.77-16,300.60

Finding the Fourth Proportional to 18,902.45, 28,286.77 and 16,300.60

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Solution

The fourth proportional to 18,902.45, 28,286.77 and 16,300.60 is: 24,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.45 : 28,286.77 = 16,300.60 : x
  2. Step 2: Convert to fraction form
    18,902.45/28,286.77 = 16,300.60/x
  3. Step 3: Cross multiply
    18,902.45x = 28,286.77 × 16,300.60
  4. Step 4: Simplify right side
    18,902.45x = 461,091,323.06
  5. Step 5: Solve for x
    x = 461,091,323.06/18,902.45
  6. Step 6: Final answer
    x = 24,393.20

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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.