Home / 25,479.89-38,234.87-9,698.21

Finding the Fourth Proportional to 25,479.89, 38,234.87 and 9,698.21

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Solution

The fourth proportional to 25,479.89, 38,234.87 and 9,698.21 is: 14,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.89 : 38,234.87 = 9,698.21 : x
  2. Step 2: Convert to fraction form
    25,479.89/38,234.87 = 9,698.21/x
  3. Step 3: Cross multiply
    25,479.89x = 38,234.87 × 9,698.21
  4. Step 4: Simplify right side
    25,479.89x = 370,809,558.92
  5. Step 5: Solve for x
    x = 370,809,558.92/25,479.89
  6. Step 6: Final answer
    x = 14,553.03

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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.