Home / 25,450.80-38,188.94-11,420.87

Finding the Fourth Proportional to 25,450.80, 38,188.94 and 11,420.87

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Solution

The fourth proportional to 25,450.80, 38,188.94 and 11,420.87 is: 17,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.80 : 38,188.94 = 11,420.87 : x
  2. Step 2: Convert to fraction form
    25,450.80/38,188.94 = 11,420.87/x
  3. Step 3: Cross multiply
    25,450.80x = 38,188.94 × 11,420.87
  4. Step 4: Simplify right side
    25,450.80x = 436,150,671.13
  5. Step 5: Solve for x
    x = 436,150,671.13/25,450.80
  6. Step 6: Final answer
    x = 17,137.01

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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.