Home / 28,028.32-41,995.77-19,693.42

Finding the Fourth Proportional to 28,028.32, 41,995.77 and 19,693.42

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Solution

The fourth proportional to 28,028.32, 41,995.77 and 19,693.42 is: 29,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.32 : 41,995.77 = 19,693.42 : x
  2. Step 2: Convert to fraction form
    28,028.32/41,995.77 = 19,693.42/x
  3. Step 3: Cross multiply
    28,028.32x = 41,995.77 × 19,693.42
  4. Step 4: Simplify right side
    28,028.32x = 827,040,336.83
  5. Step 5: Solve for x
    x = 827,040,336.83/28,028.32
  6. Step 6: Final answer
    x = 29,507.31

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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.