Home / 28,735.50-43,103.26-9,015.60

Finding the Fourth Proportional to 28,735.50, 43,103.26 and 9,015.60

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Solution

The fourth proportional to 28,735.50, 43,103.26 and 9,015.60 is: 13,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.50 : 43,103.26 = 9,015.60 : x
  2. Step 2: Convert to fraction form
    28,735.50/43,103.26 = 9,015.60/x
  3. Step 3: Cross multiply
    28,735.50x = 43,103.26 × 9,015.60
  4. Step 4: Simplify right side
    28,735.50x = 388,601,750.86
  5. Step 5: Solve for x
    x = 388,601,750.86/28,735.50
  6. Step 6: Final answer
    x = 13,523.40

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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.