Home / 28,448.44-42,687.06-19,195

Finding the Fourth Proportional to 28,448.44, 42,687.06 and 19,195

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Solution

The fourth proportional to 28,448.44, 42,687.06 and 19,195 is: 28,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.44 : 42,687.06 = 19,195 : x
  2. Step 2: Convert to fraction form
    28,448.44/42,687.06 = 19,195/x
  3. Step 3: Cross multiply
    28,448.44x = 42,687.06 × 19,195
  4. Step 4: Simplify right side
    28,448.44x = 819,378,116.70
  5. Step 5: Solve for x
    x = 819,378,116.70/28,448.44
  6. Step 6: Final answer
    x = 28,802.22

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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.