Home / 28,543.51-39,391.14-15,968.26

Finding the Fourth Proportional to 28,543.51, 39,391.14 and 15,968.26

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Solution

The fourth proportional to 28,543.51, 39,391.14 and 15,968.26 is: 22,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.51 : 39,391.14 = 15,968.26 : x
  2. Step 2: Convert to fraction form
    28,543.51/39,391.14 = 15,968.26/x
  3. Step 3: Cross multiply
    28,543.51x = 39,391.14 × 15,968.26
  4. Step 4: Simplify right side
    28,543.51x = 629,007,965.22
  5. Step 5: Solve for x
    x = 629,007,965.22/28,543.51
  6. Step 6: Final answer
    x = 22,036.81

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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.