Home / 28,992.06-40,021.29-19,573.38

Finding the Fourth Proportional to 28,992.06, 40,021.29 and 19,573.38

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Solution

The fourth proportional to 28,992.06, 40,021.29 and 19,573.38 is: 27,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.06 : 40,021.29 = 19,573.38 : x
  2. Step 2: Convert to fraction form
    28,992.06/40,021.29 = 19,573.38/x
  3. Step 3: Cross multiply
    28,992.06x = 40,021.29 × 19,573.38
  4. Step 4: Simplify right side
    28,992.06x = 783,351,917.26
  5. Step 5: Solve for x
    x = 783,351,917.26/28,992.06
  6. Step 6: Final answer
    x = 27,019.53

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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.