Home / 21,636.09-32,388.37-13,850.37

Finding the Fourth Proportional to 21,636.09, 32,388.37 and 13,850.37

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Solution

The fourth proportional to 21,636.09, 32,388.37 and 13,850.37 is: 20,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636.09 : 32,388.37 = 13,850.37 : x
  2. Step 2: Convert to fraction form
    21,636.09/32,388.37 = 13,850.37/x
  3. Step 3: Cross multiply
    21,636.09x = 32,388.37 × 13,850.37
  4. Step 4: Simplify right side
    21,636.09x = 448,590,711.63
  5. Step 5: Solve for x
    x = 448,590,711.63/21,636.09
  6. Step 6: Final answer
    x = 20,733.45

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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.