Home / 21,043.26-31,579.67-19,033.34

Finding the Fourth Proportional to 21,043.26, 31,579.67 and 19,033.34

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Solution

The fourth proportional to 21,043.26, 31,579.67 and 19,033.34 is: 28,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043.26 : 31,579.67 = 19,033.34 : x
  2. Step 2: Convert to fraction form
    21,043.26/31,579.67 = 19,033.34/x
  3. Step 3: Cross multiply
    21,043.26x = 31,579.67 × 19,033.34
  4. Step 4: Simplify right side
    21,043.26x = 601,066,485.88
  5. Step 5: Solve for x
    x = 601,066,485.88/21,043.26
  6. Step 6: Final answer
    x = 28,563.37

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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.