Home / 29,172.89-40,255.26-16,425.75

Finding the Fourth Proportional to 29,172.89, 40,255.26 and 16,425.75

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Solution

The fourth proportional to 29,172.89, 40,255.26 and 16,425.75 is: 22,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.89 : 40,255.26 = 16,425.75 : x
  2. Step 2: Convert to fraction form
    29,172.89/40,255.26 = 16,425.75/x
  3. Step 3: Cross multiply
    29,172.89x = 40,255.26 × 16,425.75
  4. Step 4: Simplify right side
    29,172.89x = 661,222,679.05
  5. Step 5: Solve for x
    x = 661,222,679.05/29,172.89
  6. Step 6: Final answer
    x = 22,665.65

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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.