Home / 21,261.22-31,846.26-17,293.64

Finding the Fourth Proportional to 21,261.22, 31,846.26 and 17,293.64

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Solution

The fourth proportional to 21,261.22, 31,846.26 and 17,293.64 is: 25,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261.22 : 31,846.26 = 17,293.64 : x
  2. Step 2: Convert to fraction form
    21,261.22/31,846.26 = 17,293.64/x
  3. Step 3: Cross multiply
    21,261.22x = 31,846.26 × 17,293.64
  4. Step 4: Simplify right side
    21,261.22x = 550,737,755.79
  5. Step 5: Solve for x
    x = 550,737,755.79/21,261.22
  6. Step 6: Final answer
    x = 25,903.40

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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.