Home / 28,744.32-39,667.12-16,169.07

Finding the Fourth Proportional to 28,744.32, 39,667.12 and 16,169.07

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Solution

The fourth proportional to 28,744.32, 39,667.12 and 16,169.07 is: 22,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.32 : 39,667.12 = 16,169.07 : x
  2. Step 2: Convert to fraction form
    28,744.32/39,667.12 = 16,169.07/x
  3. Step 3: Cross multiply
    28,744.32x = 39,667.12 × 16,169.07
  4. Step 4: Simplify right side
    28,744.32x = 641,380,241.64
  5. Step 5: Solve for x
    x = 641,380,241.64/28,744.32
  6. Step 6: Final answer
    x = 22,313.29

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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.