Home / 25,485.94-35,163.32-15,407.06

Finding the Fourth Proportional to 25,485.94, 35,163.32 and 15,407.06

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Solution

The fourth proportional to 25,485.94, 35,163.32 and 15,407.06 is: 21,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.94 : 35,163.32 = 15,407.06 : x
  2. Step 2: Convert to fraction form
    25,485.94/35,163.32 = 15,407.06/x
  3. Step 3: Cross multiply
    25,485.94x = 35,163.32 × 15,407.06
  4. Step 4: Simplify right side
    25,485.94x = 541,763,325.98
  5. Step 5: Solve for x
    x = 541,763,325.98/25,485.94
  6. Step 6: Final answer
    x = 21,257.34

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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.