Home / 28,464.26-42,689.04-8,468.55

Finding the Fourth Proportional to 28,464.26, 42,689.04 and 8,468.55

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Solution

The fourth proportional to 28,464.26, 42,689.04 and 8,468.55 is: 12,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.26 : 42,689.04 = 8,468.55 : x
  2. Step 2: Convert to fraction form
    28,464.26/42,689.04 = 8,468.55/x
  3. Step 3: Cross multiply
    28,464.26x = 42,689.04 × 8,468.55
  4. Step 4: Simplify right side
    28,464.26x = 361,514,269.69
  5. Step 5: Solve for x
    x = 361,514,269.69/28,464.26
  6. Step 6: Final answer
    x = 12,700.64

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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.