Home / 25,696.79-35,450.36-14,940.86

Finding the Fourth Proportional to 25,696.79, 35,450.36 and 14,940.86

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Solution

The fourth proportional to 25,696.79, 35,450.36 and 14,940.86 is: 20,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.79 : 35,450.36 = 14,940.86 : x
  2. Step 2: Convert to fraction form
    25,696.79/35,450.36 = 14,940.86/x
  3. Step 3: Cross multiply
    25,696.79x = 35,450.36 × 14,940.86
  4. Step 4: Simplify right side
    25,696.79x = 529,658,669.78
  5. Step 5: Solve for x
    x = 529,658,669.78/25,696.79
  6. Step 6: Final answer
    x = 20,611.86

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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.