Home / 28,844.40-43,293.32-17,772.72

Finding the Fourth Proportional to 28,844.40, 43,293.32 and 17,772.72

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Solution

The fourth proportional to 28,844.40, 43,293.32 and 17,772.72 is: 26,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.40 : 43,293.32 = 17,772.72 : x
  2. Step 2: Convert to fraction form
    28,844.40/43,293.32 = 17,772.72/x
  3. Step 3: Cross multiply
    28,844.40x = 43,293.32 × 17,772.72
  4. Step 4: Simplify right side
    28,844.40x = 769,440,054.23
  5. Step 5: Solve for x
    x = 769,440,054.23/28,844.40
  6. Step 6: Final answer
    x = 26,675.54

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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.