Home / 21,692.13-29,926.85-16,040.49

Finding the Fourth Proportional to 21,692.13, 29,926.85 and 16,040.49

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Solution

The fourth proportional to 21,692.13, 29,926.85 and 16,040.49 is: 22,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.13 : 29,926.85 = 16,040.49 : x
  2. Step 2: Convert to fraction form
    21,692.13/29,926.85 = 16,040.49/x
  3. Step 3: Cross multiply
    21,692.13x = 29,926.85 × 16,040.49
  4. Step 4: Simplify right side
    21,692.13x = 480,041,257.95
  5. Step 5: Solve for x
    x = 480,041,257.95/21,692.13
  6. Step 6: Final answer
    x = 22,129.74

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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.