Home / 28,940.30-43,361.85-14,117.30

Finding the Fourth Proportional to 28,940.30, 43,361.85 and 14,117.30

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Solution

The fourth proportional to 28,940.30, 43,361.85 and 14,117.30 is: 21,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.30 : 43,361.85 = 14,117.30 : x
  2. Step 2: Convert to fraction form
    28,940.30/43,361.85 = 14,117.30/x
  3. Step 3: Cross multiply
    28,940.30x = 43,361.85 × 14,117.30
  4. Step 4: Simplify right side
    28,940.30x = 612,152,245.01
  5. Step 5: Solve for x
    x = 612,152,245.01/28,940.30
  6. Step 6: Final answer
    x = 21,152.24

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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.