Home / 28,016.33-42,028.97-11,377.80

Finding the Fourth Proportional to 28,016.33, 42,028.97 and 11,377.80

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Solution

The fourth proportional to 28,016.33, 42,028.97 and 11,377.80 is: 17,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.33 : 42,028.97 = 11,377.80 : x
  2. Step 2: Convert to fraction form
    28,016.33/42,028.97 = 11,377.80/x
  3. Step 3: Cross multiply
    28,016.33x = 42,028.97 × 11,377.80
  4. Step 4: Simplify right side
    28,016.33x = 478,197,157.98
  5. Step 5: Solve for x
    x = 478,197,157.98/28,016.33
  6. Step 6: Final answer
    x = 17,068.52

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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.