Home / 28,744.86-39,667.46-16,169.60

Finding the Fourth Proportional to 28,744.86, 39,667.46 and 16,169.60

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Solution

The fourth proportional to 28,744.86, 39,667.46 and 16,169.60 is: 22,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.86 : 39,667.46 = 16,169.60 : x
  2. Step 2: Convert to fraction form
    28,744.86/39,667.46 = 16,169.60/x
  3. Step 3: Cross multiply
    28,744.86x = 39,667.46 × 16,169.60
  4. Step 4: Simplify right side
    28,744.86x = 641,406,961.22
  5. Step 5: Solve for x
    x = 641,406,961.22/28,744.86
  6. Step 6: Final answer
    x = 22,313.80

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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.