Home / 21,559.80-32,301.23-11,692.79

Finding the Fourth Proportional to 21,559.80, 32,301.23 and 11,692.79

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Solution

The fourth proportional to 21,559.80, 32,301.23 and 11,692.79 is: 17,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.80 : 32,301.23 = 11,692.79 : x
  2. Step 2: Convert to fraction form
    21,559.80/32,301.23 = 11,692.79/x
  3. Step 3: Cross multiply
    21,559.80x = 32,301.23 × 11,692.79
  4. Step 4: Simplify right side
    21,559.80x = 377,691,466.06
  5. Step 5: Solve for x
    x = 377,691,466.06/21,559.80
  6. Step 6: Final answer
    x = 17,518.32

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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.