Home / 25,379.47-38,074.07-7,846.21

Finding the Fourth Proportional to 25,379.47, 38,074.07 and 7,846.21

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Solution

The fourth proportional to 25,379.47, 38,074.07 and 7,846.21 is: 11,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.47 : 38,074.07 = 7,846.21 : x
  2. Step 2: Convert to fraction form
    25,379.47/38,074.07 = 7,846.21/x
  3. Step 3: Cross multiply
    25,379.47x = 38,074.07 × 7,846.21
  4. Step 4: Simplify right side
    25,379.47x = 298,737,148.77
  5. Step 5: Solve for x
    x = 298,737,148.77/25,379.47
  6. Step 6: Final answer
    x = 11,770.82

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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.