Home / 28,092.63-38,767.73-15,517.38

Finding the Fourth Proportional to 28,092.63, 38,767.73 and 15,517.38

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Solution

The fourth proportional to 28,092.63, 38,767.73 and 15,517.38 is: 21,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.63 : 38,767.73 = 15,517.38 : x
  2. Step 2: Convert to fraction form
    28,092.63/38,767.73 = 15,517.38/x
  3. Step 3: Cross multiply
    28,092.63x = 38,767.73 × 15,517.38
  4. Step 4: Simplify right side
    28,092.63x = 601,573,598.15
  5. Step 5: Solve for x
    x = 601,573,598.15/28,092.63
  6. Step 6: Final answer
    x = 21,413.93

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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.