Home / 28,940.24-43,381.62-16,434.38

Finding the Fourth Proportional to 28,940.24, 43,381.62 and 16,434.38

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Solution

The fourth proportional to 28,940.24, 43,381.62 and 16,434.38 is: 24,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.24 : 43,381.62 = 16,434.38 : x
  2. Step 2: Convert to fraction form
    28,940.24/43,381.62 = 16,434.38/x
  3. Step 3: Cross multiply
    28,940.24x = 43,381.62 × 16,434.38
  4. Step 4: Simplify right side
    28,940.24x = 712,949,729.02
  5. Step 5: Solve for x
    x = 712,949,729.02/28,940.24
  6. Step 6: Final answer
    x = 24,635.24

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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.