Home / 25,518.90-38,282.94-10,517.67

Finding the Fourth Proportional to 25,518.90, 38,282.94 and 10,517.67

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Solution

The fourth proportional to 25,518.90, 38,282.94 and 10,517.67 is: 15,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.90 : 38,282.94 = 10,517.67 : x
  2. Step 2: Convert to fraction form
    25,518.90/38,282.94 = 10,517.67/x
  3. Step 3: Cross multiply
    25,518.90x = 38,282.94 × 10,517.67
  4. Step 4: Simplify right side
    25,518.90x = 402,647,329.55
  5. Step 5: Solve for x
    x = 402,647,329.55/25,518.90
  6. Step 6: Final answer
    x = 15,778.40

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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.