Home / 28,930.44-39,922.14-16,181.42

Finding the Fourth Proportional to 28,930.44, 39,922.14 and 16,181.42

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Solution

The fourth proportional to 28,930.44, 39,922.14 and 16,181.42 is: 22,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.44 : 39,922.14 = 16,181.42 : x
  2. Step 2: Convert to fraction form
    28,930.44/39,922.14 = 16,181.42/x
  3. Step 3: Cross multiply
    28,930.44x = 39,922.14 × 16,181.42
  4. Step 4: Simplify right side
    28,930.44x = 645,996,954.76
  5. Step 5: Solve for x
    x = 645,996,954.76/28,930.44
  6. Step 6: Final answer
    x = 22,329.32

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1.5x scale

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.