Home / 28,407.51-39,198.33-15,832.26

Finding the Fourth Proportional to 28,407.51, 39,198.33 and 15,832.26

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Solution

The fourth proportional to 28,407.51, 39,198.33 and 15,832.26 is: 21,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407.51 : 39,198.33 = 15,832.26 : x
  2. Step 2: Convert to fraction form
    28,407.51/39,198.33 = 15,832.26/x
  3. Step 3: Cross multiply
    28,407.51x = 39,198.33 × 15,832.26
  4. Step 4: Simplify right side
    28,407.51x = 620,598,152.13
  5. Step 5: Solve for x
    x = 620,598,152.13/28,407.51
  6. Step 6: Final answer
    x = 21,846.27

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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.