Home / 25,650.51-38,489.09-19,408.67

Finding the Fourth Proportional to 25,650.51, 38,489.09 and 19,408.67

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Solution

The fourth proportional to 25,650.51, 38,489.09 and 19,408.67 is: 29,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.51 : 38,489.09 = 19,408.67 : x
  2. Step 2: Convert to fraction form
    25,650.51/38,489.09 = 19,408.67/x
  3. Step 3: Cross multiply
    25,650.51x = 38,489.09 × 19,408.67
  4. Step 4: Simplify right side
    25,650.51x = 747,021,756.92
  5. Step 5: Solve for x
    x = 747,021,756.92/25,650.51
  6. Step 6: Final answer
    x = 29,123.08

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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.