Home / 28,194.94-42,279.16-16,352.07

Finding the Fourth Proportional to 28,194.94, 42,279.16 and 16,352.07

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Solution

The fourth proportional to 28,194.94, 42,279.16 and 16,352.07 is: 24,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.94 : 42,279.16 = 16,352.07 : x
  2. Step 2: Convert to fraction form
    28,194.94/42,279.16 = 16,352.07/x
  3. Step 3: Cross multiply
    28,194.94x = 42,279.16 × 16,352.07
  4. Step 4: Simplify right side
    28,194.94x = 691,351,783.86
  5. Step 5: Solve for x
    x = 691,351,783.86/28,194.94
  6. Step 6: Final answer
    x = 24,520.42

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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.