Home / 28,735.60-43,103.42-9,015.70

Finding the Fourth Proportional to 28,735.60, 43,103.42 and 9,015.70

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Solution

The fourth proportional to 28,735.60, 43,103.42 and 9,015.70 is: 13,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.60 : 43,103.42 = 9,015.70 : x
  2. Step 2: Convert to fraction form
    28,735.60/43,103.42 = 9,015.70/x
  3. Step 3: Cross multiply
    28,735.60x = 43,103.42 × 9,015.70
  4. Step 4: Simplify right side
    28,735.60x = 388,607,503.69
  5. Step 5: Solve for x
    x = 388,607,503.69/28,735.60
  6. Step 6: Final answer
    x = 13,523.56

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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.