Home / 21,259.22-31,843.26-17,291.63

Finding the Fourth Proportional to 21,259.22, 31,843.26 and 17,291.63

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Solution

The fourth proportional to 21,259.22, 31,843.26 and 17,291.63 is: 25,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,259.22 : 31,843.26 = 17,291.63 : x
  2. Step 2: Convert to fraction form
    21,259.22/31,843.26 = 17,291.63/x
  3. Step 3: Cross multiply
    21,259.22x = 31,843.26 × 17,291.63
  4. Step 4: Simplify right side
    21,259.22x = 550,621,949.52
  5. Step 5: Solve for x
    x = 550,621,949.52/21,259.22
  6. Step 6: Final answer
    x = 25,900.39

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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.