Home / 28,973.50-39,992.94-18,377.48

Finding the Fourth Proportional to 28,973.50, 39,992.94 and 18,377.48

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Solution

The fourth proportional to 28,973.50, 39,992.94 and 18,377.48 is: 25,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.50 : 39,992.94 = 18,377.48 : x
  2. Step 2: Convert to fraction form
    28,973.50/39,992.94 = 18,377.48/x
  3. Step 3: Cross multiply
    28,973.50x = 39,992.94 × 18,377.48
  4. Step 4: Simplify right side
    28,973.50x = 734,969,554.97
  5. Step 5: Solve for x
    x = 734,969,554.97/28,973.50
  6. Step 6: Final answer
    x = 25,366.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.