Home / 28,821.58-39,773.69-16,074.77

Finding the Fourth Proportional to 28,821.58, 39,773.69 and 16,074.77

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Solution

The fourth proportional to 28,821.58, 39,773.69 and 16,074.77 is: 22,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821.58 : 39,773.69 = 16,074.77 : x
  2. Step 2: Convert to fraction form
    28,821.58/39,773.69 = 16,074.77/x
  3. Step 3: Cross multiply
    28,821.58x = 39,773.69 × 16,074.77
  4. Step 4: Simplify right side
    28,821.58x = 639,352,838.43
  5. Step 5: Solve for x
    x = 639,352,838.43/28,821.58
  6. Step 6: Final answer
    x = 22,183.13

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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.