Home / 28,941.47-39,939.98-16,194.23

Finding the Fourth Proportional to 28,941.47, 39,939.98 and 16,194.23

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Solution

The fourth proportional to 28,941.47, 39,939.98 and 16,194.23 is: 22,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.47 : 39,939.98 = 16,194.23 : x
  2. Step 2: Convert to fraction form
    28,941.47/39,939.98 = 16,194.23/x
  3. Step 3: Cross multiply
    28,941.47x = 39,939.98 × 16,194.23
  4. Step 4: Simplify right side
    28,941.47x = 646,796,941.64
  5. Step 5: Solve for x
    x = 646,796,941.64/28,941.47
  6. Step 6: Final answer
    x = 22,348.45

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Double scale
Find fourth proportional to 28,942.47, 39,941.36 and 16,195.23
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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.