Home / 28,072.58-42,086.51-16,212.86

Finding the Fourth Proportional to 28,072.58, 42,086.51 and 16,212.86

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Solution

The fourth proportional to 28,072.58, 42,086.51 and 16,212.86 is: 24,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.58 : 42,086.51 = 16,212.86 : x
  2. Step 2: Convert to fraction form
    28,072.58/42,086.51 = 16,212.86/x
  3. Step 3: Cross multiply
    28,072.58x = 42,086.51 × 16,212.86
  4. Step 4: Simplify right side
    28,072.58x = 682,342,403.02
  5. Step 5: Solve for x
    x = 682,342,403.02/28,072.58
  6. Step 6: Final answer
    x = 24,306.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.