Home / 28,940.72-39,938.94-16,193.48

Finding the Fourth Proportional to 28,940.72, 39,938.94 and 16,193.48

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Solution

The fourth proportional to 28,940.72, 39,938.94 and 16,193.48 is: 22,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.72 : 39,938.94 = 16,193.48 : x
  2. Step 2: Convert to fraction form
    28,940.72/39,938.94 = 16,193.48/x
  3. Step 3: Cross multiply
    28,940.72x = 39,938.94 × 16,193.48
  4. Step 4: Simplify right side
    28,940.72x = 646,750,226.42
  5. Step 5: Solve for x
    x = 646,750,226.42/28,940.72
  6. Step 6: Final answer
    x = 22,347.42

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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.