Home / 28,163.54-42,249.98-13,364.39

Finding the Fourth Proportional to 28,163.54, 42,249.98 and 13,364.39

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Solution

The fourth proportional to 28,163.54, 42,249.98 and 13,364.39 is: 20,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.54 : 42,249.98 = 13,364.39 : x
  2. Step 2: Convert to fraction form
    28,163.54/42,249.98 = 13,364.39/x
  3. Step 3: Cross multiply
    28,163.54x = 42,249.98 × 13,364.39
  4. Step 4: Simplify right side
    28,163.54x = 564,645,349.25
  5. Step 5: Solve for x
    x = 564,645,349.25/28,163.54
  6. Step 6: Final answer
    x = 20,048.80

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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.