Home / 28,372.09-39,160.38-16,433.50

Finding the Fourth Proportional to 28,372.09, 39,160.38 and 16,433.50

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Solution

The fourth proportional to 28,372.09, 39,160.38 and 16,433.50 is: 22,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372.09 : 39,160.38 = 16,433.50 : x
  2. Step 2: Convert to fraction form
    28,372.09/39,160.38 = 16,433.50/x
  3. Step 3: Cross multiply
    28,372.09x = 39,160.38 × 16,433.50
  4. Step 4: Simplify right side
    28,372.09x = 643,542,104.73
  5. Step 5: Solve for x
    x = 643,542,104.73/28,372.09
  6. Step 6: Final answer
    x = 22,682.22

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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.