Home / 28,662.72-39,554.28-16,087.38

Finding the Fourth Proportional to 28,662.72, 39,554.28 and 16,087.38

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Solution

The fourth proportional to 28,662.72, 39,554.28 and 16,087.38 is: 22,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.72 : 39,554.28 = 16,087.38 : x
  2. Step 2: Convert to fraction form
    28,662.72/39,554.28 = 16,087.38/x
  3. Step 3: Cross multiply
    28,662.72x = 39,554.28 × 16,087.38
  4. Step 4: Simplify right side
    28,662.72x = 636,324,732.99
  5. Step 5: Solve for x
    x = 636,324,732.99/28,662.72
  6. Step 6: Final answer
    x = 22,200.43

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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.