Home / 28,906.70-43,359.44-13,324.32

Finding the Fourth Proportional to 28,906.70, 43,359.44 and 13,324.32

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Solution

The fourth proportional to 28,906.70, 43,359.44 and 13,324.32 is: 19,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.70 : 43,359.44 = 13,324.32 : x
  2. Step 2: Convert to fraction form
    28,906.70/43,359.44 = 13,324.32/x
  3. Step 3: Cross multiply
    28,906.70x = 43,359.44 × 13,324.32
  4. Step 4: Simplify right side
    28,906.70x = 577,735,053.58
  5. Step 5: Solve for x
    x = 577,735,053.58/28,906.70
  6. Step 6: Final answer
    x = 19,986.20

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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.