Home / 18,296.94-25,267.72-15,628.80

Finding the Fourth Proportional to 18,296.94, 25,267.72 and 15,628.80

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Solution

The fourth proportional to 18,296.94, 25,267.72 and 15,628.80 is: 21,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.94 : 25,267.72 = 15,628.80 : x
  2. Step 2: Convert to fraction form
    18,296.94/25,267.72 = 15,628.80/x
  3. Step 3: Cross multiply
    18,296.94x = 25,267.72 × 15,628.80
  4. Step 4: Simplify right side
    18,296.94x = 394,904,142.34
  5. Step 5: Solve for x
    x = 394,904,142.34/18,296.94
  6. Step 6: Final answer
    x = 21,583.07

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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.