Home / 28,692.05-43,041.35-7,632.95

Finding the Fourth Proportional to 28,692.05, 43,041.35 and 7,632.95

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Solution

The fourth proportional to 28,692.05, 43,041.35 and 7,632.95 is: 11,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.05 : 43,041.35 = 7,632.95 : x
  2. Step 2: Convert to fraction form
    28,692.05/43,041.35 = 7,632.95/x
  3. Step 3: Cross multiply
    28,692.05x = 43,041.35 × 7,632.95
  4. Step 4: Simplify right side
    28,692.05x = 328,532,472.48
  5. Step 5: Solve for x
    x = 328,532,472.48/28,692.05
  6. Step 6: Final answer
    x = 11,450.30

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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.