Home / 28,646.82-39,536.64-16,716.60

Finding the Fourth Proportional to 28,646.82, 39,536.64 and 16,716.60

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Solution

The fourth proportional to 28,646.82, 39,536.64 and 16,716.60 is: 23,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646.82 : 39,536.64 = 16,716.60 : x
  2. Step 2: Convert to fraction form
    28,646.82/39,536.64 = 16,716.60/x
  3. Step 3: Cross multiply
    28,646.82x = 39,536.64 × 16,716.60
  4. Step 4: Simplify right side
    28,646.82x = 660,918,196.22
  5. Step 5: Solve for x
    x = 660,918,196.22/28,646.82
  6. Step 6: Final answer
    x = 23,071.26

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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.