Home / 28,939.50-43,409.21-19,006.97

Finding the Fourth Proportional to 28,939.50, 43,409.21 and 19,006.97

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Solution

The fourth proportional to 28,939.50, 43,409.21 and 19,006.97 is: 28,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.50 : 43,409.21 = 19,006.97 : x
  2. Step 2: Convert to fraction form
    28,939.50/43,409.21 = 19,006.97/x
  3. Step 3: Cross multiply
    28,939.50x = 43,409.21 × 19,006.97
  4. Step 4: Simplify right side
    28,939.50x = 825,077,240.11
  5. Step 5: Solve for x
    x = 825,077,240.11/28,939.50
  6. Step 6: Final answer
    x = 28,510.42

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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.