Home / 28,083.33-38,755.07-15,336.62

Finding the Fourth Proportional to 28,083.33, 38,755.07 and 15,336.62

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Solution

The fourth proportional to 28,083.33, 38,755.07 and 15,336.62 is: 21,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.33 : 38,755.07 = 15,336.62 : x
  2. Step 2: Convert to fraction form
    28,083.33/38,755.07 = 15,336.62/x
  3. Step 3: Cross multiply
    28,083.33x = 38,755.07 × 15,336.62
  4. Step 4: Simplify right side
    28,083.33x = 594,371,511.20
  5. Step 5: Solve for x
    x = 594,371,511.20/28,083.33
  6. Step 6: Final answer
    x = 21,164.57

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1.5x scale

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.