Home / 28,879.65-39,857.37-17,550.99

Finding the Fourth Proportional to 28,879.65, 39,857.37 and 17,550.99

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Solution

The fourth proportional to 28,879.65, 39,857.37 and 17,550.99 is: 24,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.65 : 39,857.37 = 17,550.99 : x
  2. Step 2: Convert to fraction form
    28,879.65/39,857.37 = 17,550.99/x
  3. Step 3: Cross multiply
    28,879.65x = 39,857.37 × 17,550.99
  4. Step 4: Simplify right side
    28,879.65x = 699,536,302.30
  5. Step 5: Solve for x
    x = 699,536,302.30/28,879.65
  6. Step 6: Final answer
    x = 24,222.46

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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.