Home / 28,975.70-39,995.97-17,038.46

Finding the Fourth Proportional to 28,975.70, 39,995.97 and 17,038.46

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Solution

The fourth proportional to 28,975.70, 39,995.97 and 17,038.46 is: 23,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.70 : 39,995.97 = 17,038.46 : x
  2. Step 2: Convert to fraction form
    28,975.70/39,995.97 = 17,038.46/x
  3. Step 3: Cross multiply
    28,975.70x = 39,995.97 × 17,038.46
  4. Step 4: Simplify right side
    28,975.70x = 681,469,735.01
  5. Step 5: Solve for x
    x = 681,469,735.01/28,975.70
  6. Step 6: Final answer
    x = 23,518.66

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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.