Home / 28,743.44-39,667.68-16,169.12

Finding the Fourth Proportional to 28,743.44, 39,667.68 and 16,169.12

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Solution

The fourth proportional to 28,743.44, 39,667.68 and 16,169.12 is: 22,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.44 : 39,667.68 = 16,169.12 : x
  2. Step 2: Convert to fraction form
    28,743.44/39,667.68 = 16,169.12/x
  3. Step 3: Cross multiply
    28,743.44x = 39,667.68 × 16,169.12
  4. Step 4: Simplify right side
    28,743.44x = 641,391,478.04
  5. Step 5: Solve for x
    x = 641,391,478.04/28,743.44
  6. Step 6: Final answer
    x = 22,314.36

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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.