Home / 28,288.26-39,001.77-17,674.02

Finding the Fourth Proportional to 28,288.26, 39,001.77 and 17,674.02

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Solution

The fourth proportional to 28,288.26, 39,001.77 and 17,674.02 is: 24,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288.26 : 39,001.77 = 17,674.02 : x
  2. Step 2: Convert to fraction form
    28,288.26/39,001.77 = 17,674.02/x
  3. Step 3: Cross multiply
    28,288.26x = 39,001.77 × 17,674.02
  4. Step 4: Simplify right side
    28,288.26x = 689,318,063.02
  5. Step 5: Solve for x
    x = 689,318,063.02/28,288.26
  6. Step 6: Final answer
    x = 24,367.64

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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.