Home / 28,788.26-39,730.64-16,850.88

Finding the Fourth Proportional to 28,788.26, 39,730.64 and 16,850.88

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Solution

The fourth proportional to 28,788.26, 39,730.64 and 16,850.88 is: 23,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.26 : 39,730.64 = 16,850.88 : x
  2. Step 2: Convert to fraction form
    28,788.26/39,730.64 = 16,850.88/x
  3. Step 3: Cross multiply
    28,788.26x = 39,730.64 × 16,850.88
  4. Step 4: Simplify right side
    28,788.26x = 669,496,162.71
  5. Step 5: Solve for x
    x = 669,496,162.71/28,788.26
  6. Step 6: Final answer
    x = 23,255.88

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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.