Home / 21,692.62-29,952.78-16,648.84

Finding the Fourth Proportional to 21,692.62, 29,952.78 and 16,648.84

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Solution

The fourth proportional to 21,692.62, 29,952.78 and 16,648.84 is: 22,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.62 : 29,952.78 = 16,648.84 : x
  2. Step 2: Convert to fraction form
    21,692.62/29,952.78 = 16,648.84/x
  3. Step 3: Cross multiply
    21,692.62x = 29,952.78 × 16,648.84
  4. Step 4: Simplify right side
    21,692.62x = 498,679,041.78
  5. Step 5: Solve for x
    x = 498,679,041.78/21,692.62
  6. Step 6: Final answer
    x = 22,988.42

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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.