Home / 28,970.92-43,441.26-13,399.48

Finding the Fourth Proportional to 28,970.92, 43,441.26 and 13,399.48

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Solution

The fourth proportional to 28,970.92, 43,441.26 and 13,399.48 is: 20,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.92 : 43,441.26 = 13,399.48 : x
  2. Step 2: Convert to fraction form
    28,970.92/43,441.26 = 13,399.48/x
  3. Step 3: Cross multiply
    28,970.92x = 43,441.26 × 13,399.48
  4. Step 4: Simplify right side
    28,970.92x = 582,090,294.54
  5. Step 5: Solve for x
    x = 582,090,294.54/28,970.92
  6. Step 6: Final answer
    x = 20,092.23

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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.