Home / 28,305.89-42,464.96-8,585.93

Finding the Fourth Proportional to 28,305.89, 42,464.96 and 8,585.93

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Solution

The fourth proportional to 28,305.89, 42,464.96 and 8,585.93 is: 12,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.89 : 42,464.96 = 8,585.93 : x
  2. Step 2: Convert to fraction form
    28,305.89/42,464.96 = 8,585.93/x
  3. Step 3: Cross multiply
    28,305.89x = 42,464.96 × 8,585.93
  4. Step 4: Simplify right side
    28,305.89x = 364,601,269.44
  5. Step 5: Solve for x
    x = 364,601,269.44/28,305.89
  6. Step 6: Final answer
    x = 12,880.76

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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.