Home / 25,634.72-35,379.48-15,027.80

Finding the Fourth Proportional to 25,634.72, 35,379.48 and 15,027.80

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Solution

The fourth proportional to 25,634.72, 35,379.48 and 15,027.80 is: 20,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,634.72 : 35,379.48 = 15,027.80 : x
  2. Step 2: Convert to fraction form
    25,634.72/35,379.48 = 15,027.80/x
  3. Step 3: Cross multiply
    25,634.72x = 35,379.48 × 15,027.80
  4. Step 4: Simplify right side
    25,634.72x = 531,675,749.54
  5. Step 5: Solve for x
    x = 531,675,749.54/25,634.72
  6. Step 6: Final answer
    x = 20,740.45

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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.