Home / 21,396.15-32,137.97-17,454.08

Finding the Fourth Proportional to 21,396.15, 32,137.97 and 17,454.08

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Solution

The fourth proportional to 21,396.15, 32,137.97 and 17,454.08 is: 26,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.15 : 32,137.97 = 17,454.08 : x
  2. Step 2: Convert to fraction form
    21,396.15/32,137.97 = 17,454.08/x
  3. Step 3: Cross multiply
    21,396.15x = 32,137.97 × 17,454.08
  4. Step 4: Simplify right side
    21,396.15x = 560,938,692.49
  5. Step 5: Solve for x
    x = 560,938,692.49/21,396.15
  6. Step 6: Final answer
    x = 26,216.81

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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.