Home / 28,977.36-43,480.62-21,596.64

Finding the Fourth Proportional to 28,977.36, 43,480.62 and 21,596.64

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Solution

The fourth proportional to 28,977.36, 43,480.62 and 21,596.64 is: 32,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.36 : 43,480.62 = 21,596.64 : x
  2. Step 2: Convert to fraction form
    28,977.36/43,480.62 = 21,596.64/x
  3. Step 3: Cross multiply
    28,977.36x = 43,480.62 × 21,596.64
  4. Step 4: Simplify right side
    28,977.36x = 939,035,297.12
  5. Step 5: Solve for x
    x = 939,035,297.12/28,977.36
  6. Step 6: Final answer
    x = 32,405.83

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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.