Home / 28,610.24-39,468.75-18,542.03

Finding the Fourth Proportional to 28,610.24, 39,468.75 and 18,542.03

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Solution

The fourth proportional to 28,610.24, 39,468.75 and 18,542.03 is: 25,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.24 : 39,468.75 = 18,542.03 : x
  2. Step 2: Convert to fraction form
    28,610.24/39,468.75 = 18,542.03/x
  3. Step 3: Cross multiply
    28,610.24x = 39,468.75 × 18,542.03
  4. Step 4: Simplify right side
    28,610.24x = 731,830,746.56
  5. Step 5: Solve for x
    x = 731,830,746.56/28,610.24
  6. Step 6: Final answer
    x = 25,579.33

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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.