Home / 28,940.77-43,400.11-10,217.33

Finding the Fourth Proportional to 28,940.77, 43,400.11 and 10,217.33

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Solution

The fourth proportional to 28,940.77, 43,400.11 and 10,217.33 is: 15,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.77 : 43,400.11 = 10,217.33 : x
  2. Step 2: Convert to fraction form
    28,940.77/43,400.11 = 10,217.33/x
  3. Step 3: Cross multiply
    28,940.77x = 43,400.11 × 10,217.33
  4. Step 4: Simplify right side
    28,940.77x = 443,433,245.91
  5. Step 5: Solve for x
    x = 443,433,245.91/28,940.77
  6. Step 6: Final answer
    x = 15,322.10

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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.