Home / 28,940.76-43,414.65-8,164.26

Finding the Fourth Proportional to 28,940.76, 43,414.65 and 8,164.26

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Solution

The fourth proportional to 28,940.76, 43,414.65 and 8,164.26 is: 12,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.76 : 43,414.65 = 8,164.26 : x
  2. Step 2: Convert to fraction form
    28,940.76/43,414.65 = 8,164.26/x
  3. Step 3: Cross multiply
    28,940.76x = 43,414.65 × 8,164.26
  4. Step 4: Simplify right side
    28,940.76x = 354,448,490.41
  5. Step 5: Solve for x
    x = 354,448,490.41/28,940.76
  6. Step 6: Final answer
    x = 12,247.38

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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.