Home / 28,804.26-39,749.86-15,556.26

Finding the Fourth Proportional to 28,804.26, 39,749.86 and 15,556.26

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Solution

The fourth proportional to 28,804.26, 39,749.86 and 15,556.26 is: 21,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.26 : 39,749.86 = 15,556.26 : x
  2. Step 2: Convert to fraction form
    28,804.26/39,749.86 = 15,556.26/x
  3. Step 3: Cross multiply
    28,804.26x = 39,749.86 × 15,556.26
  4. Step 4: Simplify right side
    28,804.26x = 618,359,157.12
  5. Step 5: Solve for x
    x = 618,359,157.12/28,804.26
  6. Step 6: Final answer
    x = 21,467.63

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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.