Home / 25,774.59-38,650.94-9,138.81

Finding the Fourth Proportional to 25,774.59, 38,650.94 and 9,138.81

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Solution

The fourth proportional to 25,774.59, 38,650.94 and 9,138.81 is: 13,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,774.59 : 38,650.94 = 9,138.81 : x
  2. Step 2: Convert to fraction form
    25,774.59/38,650.94 = 9,138.81/x
  3. Step 3: Cross multiply
    25,774.59x = 38,650.94 × 9,138.81
  4. Step 4: Simplify right side
    25,774.59x = 353,223,596.98
  5. Step 5: Solve for x
    x = 353,223,596.98/25,774.59
  6. Step 6: Final answer
    x = 13,704.33

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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.