Home / 28,820.94-43,207.94-19,343.03

Finding the Fourth Proportional to 28,820.94, 43,207.94 and 19,343.03

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Solution

The fourth proportional to 28,820.94, 43,207.94 and 19,343.03 is: 28,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.94 : 43,207.94 = 19,343.03 : x
  2. Step 2: Convert to fraction form
    28,820.94/43,207.94 = 19,343.03/x
  3. Step 3: Cross multiply
    28,820.94x = 43,207.94 × 19,343.03
  4. Step 4: Simplify right side
    28,820.94x = 835,772,382.94
  5. Step 5: Solve for x
    x = 835,772,382.94/28,820.94
  6. Step 6: Final answer
    x = 28,998.79

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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.