Home / 28,589.88-39,455.24-16,651.32

Finding the Fourth Proportional to 28,589.88, 39,455.24 and 16,651.32

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Solution

The fourth proportional to 28,589.88, 39,455.24 and 16,651.32 is: 22,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.88 : 39,455.24 = 16,651.32 : x
  2. Step 2: Convert to fraction form
    28,589.88/39,455.24 = 16,651.32/x
  3. Step 3: Cross multiply
    28,589.88x = 39,455.24 × 16,651.32
  4. Step 4: Simplify right side
    28,589.88x = 656,981,826.92
  5. Step 5: Solve for x
    x = 656,981,826.92/28,589.88
  6. Step 6: Final answer
    x = 22,979.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.