Home / 28,311.26-42,464.72-8,589.92

Finding the Fourth Proportional to 28,311.26, 42,464.72 and 8,589.92

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Solution

The fourth proportional to 28,311.26, 42,464.72 and 8,589.92 is: 12,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,311.26 : 42,464.72 = 8,589.92 : x
  2. Step 2: Convert to fraction form
    28,311.26/42,464.72 = 8,589.92/x
  3. Step 3: Cross multiply
    28,311.26x = 42,464.72 × 8,589.92
  4. Step 4: Simplify right side
    28,311.26x = 364,768,356.77
  5. Step 5: Solve for x
    x = 364,768,356.77/28,311.26
  6. Step 6: Final answer
    x = 12,884.22

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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.