Home / 25,704.82-35,458.94-15,636.34

Finding the Fourth Proportional to 25,704.82, 35,458.94 and 15,636.34

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Solution

The fourth proportional to 25,704.82, 35,458.94 and 15,636.34 is: 21,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704.82 : 35,458.94 = 15,636.34 : x
  2. Step 2: Convert to fraction form
    25,704.82/35,458.94 = 15,636.34/x
  3. Step 3: Cross multiply
    25,704.82x = 35,458.94 × 15,636.34
  4. Step 4: Simplify right side
    25,704.82x = 554,448,041.88
  5. Step 5: Solve for x
    x = 554,448,041.88/25,704.82
  6. Step 6: Final answer
    x = 21,569.81

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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.