Home / 21,770.94-30,058.29-19,408.98

Finding the Fourth Proportional to 21,770.94, 30,058.29 and 19,408.98

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Solution

The fourth proportional to 21,770.94, 30,058.29 and 19,408.98 is: 26,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.94 : 30,058.29 = 19,408.98 : x
  2. Step 2: Convert to fraction form
    21,770.94/30,058.29 = 19,408.98/x
  3. Step 3: Cross multiply
    21,770.94x = 30,058.29 × 19,408.98
  4. Step 4: Simplify right side
    21,770.94x = 583,400,749.44
  5. Step 5: Solve for x
    x = 583,400,749.44/21,770.94
  6. Step 6: Final answer
    x = 26,797.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.