Home / 28,504.83-39,347.64-25,515.39

Finding the Fourth Proportional to 28,504.83, 39,347.64 and 25,515.39

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Solution

The fourth proportional to 28,504.83, 39,347.64 and 25,515.39 is: 35,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.83 : 39,347.64 = 25,515.39 : x
  2. Step 2: Convert to fraction form
    28,504.83/39,347.64 = 25,515.39/x
  3. Step 3: Cross multiply
    28,504.83x = 39,347.64 × 25,515.39
  4. Step 4: Simplify right side
    28,504.83x = 1,003,970,380.18
  5. Step 5: Solve for x
    x = 1,003,970,380.18/28,504.83
  6. Step 6: Final answer
    x = 35,221.06

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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.