Home / 20,692.44-28,555.29-11,260.98

Finding the Fourth Proportional to 20,692.44, 28,555.29 and 11,260.98

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Solution

The fourth proportional to 20,692.44, 28,555.29 and 11,260.98 is: 15,540.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692.44 : 28,555.29 = 11,260.98 : x
  2. Step 2: Convert to fraction form
    20,692.44/28,555.29 = 11,260.98/x
  3. Step 3: Cross multiply
    20,692.44x = 28,555.29 × 11,260.98
  4. Step 4: Simplify right side
    20,692.44x = 321,560,549.58
  5. Step 5: Solve for x
    x = 321,560,549.58/20,692.44
  6. Step 6: Final answer
    x = 15,540.00

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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.