Home / 28,094-38,766.30-15,518.84

Finding the Fourth Proportional to 28,094, 38,766.30 and 15,518.84

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Solution

The fourth proportional to 28,094, 38,766.30 and 15,518.84 is: 21,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094 : 38,766.30 = 15,518.84 : x
  2. Step 2: Convert to fraction form
    28,094/38,766.30 = 15,518.84/x
  3. Step 3: Cross multiply
    28,094x = 38,766.30 × 15,518.84
  4. Step 4: Simplify right side
    28,094x = 601,608,007.09
  5. Step 5: Solve for x
    x = 601,608,007.09/28,094
  6. Step 6: Final answer
    x = 21,414.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.