Home / 28,884.42-43,307.94-18,993.71

Finding the Fourth Proportional to 28,884.42, 43,307.94 and 18,993.71

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Solution

The fourth proportional to 28,884.42, 43,307.94 and 18,993.71 is: 28,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.42 : 43,307.94 = 18,993.71 : x
  2. Step 2: Convert to fraction form
    28,884.42/43,307.94 = 18,993.71/x
  3. Step 3: Cross multiply
    28,884.42x = 43,307.94 × 18,993.71
  4. Step 4: Simplify right side
    28,884.42x = 822,578,453.06
  5. Step 5: Solve for x
    x = 822,578,453.06/28,884.42
  6. Step 6: Final answer
    x = 28,478.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.