Home / 25,450.99-35,122.58-14,121.21

Finding the Fourth Proportional to 25,450.99, 35,122.58 and 14,121.21

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Solution

The fourth proportional to 25,450.99, 35,122.58 and 14,121.21 is: 19,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.99 : 35,122.58 = 14,121.21 : x
  2. Step 2: Convert to fraction form
    25,450.99/35,122.58 = 14,121.21/x
  3. Step 3: Cross multiply
    25,450.99x = 35,122.58 × 14,121.21
  4. Step 4: Simplify right side
    25,450.99x = 495,973,327.92
  5. Step 5: Solve for x
    x = 495,973,327.92/25,450.99
  6. Step 6: Final answer
    x = 19,487.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.