Home / 25,728.23-35,473.14-20,692.67

Finding the Fourth Proportional to 25,728.23, 35,473.14 and 20,692.67

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Solution

The fourth proportional to 25,728.23, 35,473.14 and 20,692.67 is: 28,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.23 : 35,473.14 = 20,692.67 : x
  2. Step 2: Convert to fraction form
    25,728.23/35,473.14 = 20,692.67/x
  3. Step 3: Cross multiply
    25,728.23x = 35,473.14 × 20,692.67
  4. Step 4: Simplify right side
    25,728.23x = 734,033,802.52
  5. Step 5: Solve for x
    x = 734,033,802.52/25,728.23
  6. Step 6: Final answer
    x = 28,530.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.