Home / 25,900.09-38,855.84-15,379.67

Finding the Fourth Proportional to 25,900.09, 38,855.84 and 15,379.67

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Solution

The fourth proportional to 25,900.09, 38,855.84 and 15,379.67 is: 23,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.09 : 38,855.84 = 15,379.67 : x
  2. Step 2: Convert to fraction form
    25,900.09/38,855.84 = 15,379.67/x
  3. Step 3: Cross multiply
    25,900.09x = 38,855.84 × 15,379.67
  4. Step 4: Simplify right side
    25,900.09x = 597,590,017.01
  5. Step 5: Solve for x
    x = 597,590,017.01/25,900.09
  6. Step 6: Final answer
    x = 23,072.90

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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.