Home / 28,195.53-38,920.82-16,269.09

Finding the Fourth Proportional to 28,195.53, 38,920.82 and 16,269.09

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Solution

The fourth proportional to 28,195.53, 38,920.82 and 16,269.09 is: 22,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.53 : 38,920.82 = 16,269.09 : x
  2. Step 2: Convert to fraction form
    28,195.53/38,920.82 = 16,269.09/x
  3. Step 3: Cross multiply
    28,195.53x = 38,920.82 × 16,269.09
  4. Step 4: Simplify right side
    28,195.53x = 633,206,242.11
  5. Step 5: Solve for x
    x = 633,206,242.11/28,195.53
  6. Step 6: Final answer
    x = 22,457.68

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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.