Home / 25,899.86-38,837.23-11,855.67

Finding the Fourth Proportional to 25,899.86, 38,837.23 and 11,855.67

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Solution

The fourth proportional to 25,899.86, 38,837.23 and 11,855.67 is: 17,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899.86 : 38,837.23 = 11,855.67 : x
  2. Step 2: Convert to fraction form
    25,899.86/38,837.23 = 11,855.67/x
  3. Step 3: Cross multiply
    25,899.86x = 38,837.23 × 11,855.67
  4. Step 4: Simplify right side
    25,899.86x = 460,441,352.95
  5. Step 5: Solve for x
    x = 460,441,352.95/25,899.86
  6. Step 6: Final answer
    x = 17,777.76

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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.