Home / 36,028.80-53,971.56-28,200.96

Finding the Fourth Proportional to 36,028.80, 53,971.56 and 28,200.96

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Solution

The fourth proportional to 36,028.80, 53,971.56 and 28,200.96 is: 42,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,028.80 : 53,971.56 = 28,200.96 : x
  2. Step 2: Convert to fraction form
    36,028.80/53,971.56 = 28,200.96/x
  3. Step 3: Cross multiply
    36,028.80x = 53,971.56 × 28,200.96
  4. Step 4: Simplify right side
    36,028.80x = 1,522,049,804.70
  5. Step 5: Solve for x
    x = 1,522,049,804.70/36,028.80
  6. Step 6: Final answer
    x = 42,245.36

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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.