Home / 28,692.82-43,030.86-11,158.48

Finding the Fourth Proportional to 28,692.82, 43,030.86 and 11,158.48

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Solution

The fourth proportional to 28,692.82, 43,030.86 and 11,158.48 is: 16,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.82 : 43,030.86 = 11,158.48 : x
  2. Step 2: Convert to fraction form
    28,692.82/43,030.86 = 11,158.48/x
  3. Step 3: Cross multiply
    28,692.82x = 43,030.86 × 11,158.48
  4. Step 4: Simplify right side
    28,692.82x = 480,158,990.69
  5. Step 5: Solve for x
    x = 480,158,990.69/28,692.82
  6. Step 6: Final answer
    x = 16,734.46

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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.