Home / 25,558.60-38,340.84-12,401.44

Finding the Fourth Proportional to 25,558.60, 38,340.84 and 12,401.44

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Solution

The fourth proportional to 25,558.60, 38,340.84 and 12,401.44 is: 18,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.60 : 38,340.84 = 12,401.44 : x
  2. Step 2: Convert to fraction form
    25,558.60/38,340.84 = 12,401.44/x
  3. Step 3: Cross multiply
    25,558.60x = 38,340.84 × 12,401.44
  4. Step 4: Simplify right side
    25,558.60x = 475,481,626.81
  5. Step 5: Solve for x
    x = 475,481,626.81/25,558.60
  6. Step 6: Final answer
    x = 18,603.59

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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.