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Finding the Fourth Proportional to 19,012.95, 28,500.27 and 7,925.77

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Solution

The fourth proportional to 19,012.95, 28,500.27 and 7,925.77 is: 11,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.95 : 28,500.27 = 7,925.77 : x
  2. Step 2: Convert to fraction form
    19,012.95/28,500.27 = 7,925.77/x
  3. Step 3: Cross multiply
    19,012.95x = 28,500.27 × 7,925.77
  4. Step 4: Simplify right side
    19,012.95x = 225,886,584.96
  5. Step 5: Solve for x
    x = 225,886,584.96/19,012.95
  6. Step 6: Final answer
    x = 11,880.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.