Home / 28,933.58-39,930.35-16,190.96

Finding the Fourth Proportional to 28,933.58, 39,930.35 and 16,190.96

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Solution

The fourth proportional to 28,933.58, 39,930.35 and 16,190.96 is: 22,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.58 : 39,930.35 = 16,190.96 : x
  2. Step 2: Convert to fraction form
    28,933.58/39,930.35 = 16,190.96/x
  3. Step 3: Cross multiply
    28,933.58x = 39,930.35 × 16,190.96
  4. Step 4: Simplify right side
    28,933.58x = 646,510,699.64
  5. Step 5: Solve for x
    x = 646,510,699.64/28,933.58
  6. Step 6: Final answer
    x = 22,344.65

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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.