Home / 21,893.22-32,809.56-18,964.26

Finding the Fourth Proportional to 21,893.22, 32,809.56 and 18,964.26

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Solution

The fourth proportional to 21,893.22, 32,809.56 and 18,964.26 is: 28,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893.22 : 32,809.56 = 18,964.26 : x
  2. Step 2: Convert to fraction form
    21,893.22/32,809.56 = 18,964.26/x
  3. Step 3: Cross multiply
    21,893.22x = 32,809.56 × 18,964.26
  4. Step 4: Simplify right side
    21,893.22x = 622,209,026.33
  5. Step 5: Solve for x
    x = 622,209,026.33/21,893.22
  6. Step 6: Final answer
    x = 28,420.17

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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.