Home / 28,744.76-39,667.71-16,169.51

Finding the Fourth Proportional to 28,744.76, 39,667.71 and 16,169.51

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Solution

The fourth proportional to 28,744.76, 39,667.71 and 16,169.51 is: 22,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.76 : 39,667.71 = 16,169.51 : x
  2. Step 2: Convert to fraction form
    28,744.76/39,667.71 = 16,169.51/x
  3. Step 3: Cross multiply
    28,744.76x = 39,667.71 × 16,169.51
  4. Step 4: Simplify right side
    28,744.76x = 641,407,593.33
  5. Step 5: Solve for x
    x = 641,407,593.33/28,744.76
  6. Step 6: Final answer
    x = 22,313.89

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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.