Home / 30,237.87-41,728.20-16,810.37

Finding the Fourth Proportional to 30,237.87, 41,728.20 and 16,810.37

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Solution

The fourth proportional to 30,237.87, 41,728.20 and 16,810.37 is: 23,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.87 : 41,728.20 = 16,810.37 : x
  2. Step 2: Convert to fraction form
    30,237.87/41,728.20 = 16,810.37/x
  3. Step 3: Cross multiply
    30,237.87x = 41,728.20 × 16,810.37
  4. Step 4: Simplify right side
    30,237.87x = 701,466,272.79
  5. Step 5: Solve for x
    x = 701,466,272.79/30,237.87
  6. Step 6: Final answer
    x = 23,198.27

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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.