Home / 25,299.94-37,890.86-19,999.37

Finding the Fourth Proportional to 25,299.94, 37,890.86 and 19,999.37

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Solution

The fourth proportional to 25,299.94, 37,890.86 and 19,999.37 is: 29,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.94 : 37,890.86 = 19,999.37 : x
  2. Step 2: Convert to fraction form
    25,299.94/37,890.86 = 19,999.37/x
  3. Step 3: Cross multiply
    25,299.94x = 37,890.86 × 19,999.37
  4. Step 4: Simplify right side
    25,299.94x = 757,793,189.30
  5. Step 5: Solve for x
    x = 757,793,189.30/25,299.94
  6. Step 6: Final answer
    x = 29,952.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.