Home / 25,485.22-35,128.38-19,013.86

Finding the Fourth Proportional to 25,485.22, 35,128.38 and 19,013.86

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Solution

The fourth proportional to 25,485.22, 35,128.38 and 19,013.86 is: 26,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.22 : 35,128.38 = 19,013.86 : x
  2. Step 2: Convert to fraction form
    25,485.22/35,128.38 = 19,013.86/x
  3. Step 3: Cross multiply
    25,485.22x = 35,128.38 × 19,013.86
  4. Step 4: Simplify right side
    25,485.22x = 667,926,099.35
  5. Step 5: Solve for x
    x = 667,926,099.35/25,485.22
  6. Step 6: Final answer
    x = 26,208.37

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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.