Home / 28,744.78-39,667.35-16,169.56

Finding the Fourth Proportional to 28,744.78, 39,667.35 and 16,169.56

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Solution

The fourth proportional to 28,744.78, 39,667.35 and 16,169.56 is: 22,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.78 : 39,667.35 = 16,169.56 : x
  2. Step 2: Convert to fraction form
    28,744.78/39,667.35 = 16,169.56/x
  3. Step 3: Cross multiply
    28,744.78x = 39,667.35 × 16,169.56
  4. Step 4: Simplify right side
    28,744.78x = 641,403,595.87
  5. Step 5: Solve for x
    x = 641,403,595.87/28,744.78
  6. Step 6: Final answer
    x = 22,313.74

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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.