Home / 19,578.29-29,368.62-5,539.38

Finding the Fourth Proportional to 19,578.29, 29,368.62 and 5,539.38

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Solution

The fourth proportional to 19,578.29, 29,368.62 and 5,539.38 is: 8,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.29 : 29,368.62 = 5,539.38 : x
  2. Step 2: Convert to fraction form
    19,578.29/29,368.62 = 5,539.38/x
  3. Step 3: Cross multiply
    19,578.29x = 29,368.62 × 5,539.38
  4. Step 4: Simplify right side
    19,578.29x = 162,683,976.78
  5. Step 5: Solve for x
    x = 162,683,976.78/19,578.29
  6. Step 6: Final answer
    x = 8,309.41

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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.