Home / 25,108.42-37,662.87-7,578.40

Finding the Fourth Proportional to 25,108.42, 37,662.87 and 7,578.40

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Solution

The fourth proportional to 25,108.42, 37,662.87 and 7,578.40 is: 11,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.42 : 37,662.87 = 7,578.40 : x
  2. Step 2: Convert to fraction form
    25,108.42/37,662.87 = 7,578.40/x
  3. Step 3: Cross multiply
    25,108.42x = 37,662.87 × 7,578.40
  4. Step 4: Simplify right side
    25,108.42x = 285,424,294.01
  5. Step 5: Solve for x
    x = 285,424,294.01/25,108.42
  6. Step 6: Final answer
    x = 11,367.67

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1.5x scale

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.