Home / 28,651.16-39,536.61-15,903.33

Finding the Fourth Proportional to 28,651.16, 39,536.61 and 15,903.33

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Solution

The fourth proportional to 28,651.16, 39,536.61 and 15,903.33 is: 21,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,651.16 : 39,536.61 = 15,903.33 : x
  2. Step 2: Convert to fraction form
    28,651.16/39,536.61 = 15,903.33/x
  3. Step 3: Cross multiply
    28,651.16x = 39,536.61 × 15,903.33
  4. Step 4: Simplify right side
    28,651.16x = 628,763,755.91
  5. Step 5: Solve for x
    x = 628,763,755.91/28,651.16
  6. Step 6: Final answer
    x = 21,945.49

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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.