Home / 25,450.07-35,121.31-14,120.31

Finding the Fourth Proportional to 25,450.07, 35,121.31 and 14,120.31

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Solution

The fourth proportional to 25,450.07, 35,121.31 and 14,120.31 is: 19,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.07 : 35,121.31 = 14,120.31 : x
  2. Step 2: Convert to fraction form
    25,450.07/35,121.31 = 14,120.31/x
  3. Step 3: Cross multiply
    25,450.07x = 35,121.31 × 14,120.31
  4. Step 4: Simplify right side
    25,450.07x = 495,923,749.51
  5. Step 5: Solve for x
    x = 495,923,749.51/25,450.07
  6. Step 6: Final answer
    x = 19,486.15

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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.