Home / 28,971.46-43,435.32-11,436.58

Finding the Fourth Proportional to 28,971.46, 43,435.32 and 11,436.58

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Solution

The fourth proportional to 28,971.46, 43,435.32 and 11,436.58 is: 17,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.46 : 43,435.32 = 11,436.58 : x
  2. Step 2: Convert to fraction form
    28,971.46/43,435.32 = 11,436.58/x
  3. Step 3: Cross multiply
    28,971.46x = 43,435.32 × 11,436.58
  4. Step 4: Simplify right side
    28,971.46x = 496,751,512.01
  5. Step 5: Solve for x
    x = 496,751,512.01/28,971.46
  6. Step 6: Final answer
    x = 17,146.24

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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.