Home / 28,859.25-39,832.40-16,926.43

Finding the Fourth Proportional to 28,859.25, 39,832.40 and 16,926.43

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Solution

The fourth proportional to 28,859.25, 39,832.40 and 16,926.43 is: 23,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.25 : 39,832.40 = 16,926.43 : x
  2. Step 2: Convert to fraction form
    28,859.25/39,832.40 = 16,926.43/x
  3. Step 3: Cross multiply
    28,859.25x = 39,832.40 × 16,926.43
  4. Step 4: Simplify right side
    28,859.25x = 674,220,284.75
  5. Step 5: Solve for x
    x = 674,220,284.75/28,859.25
  6. Step 6: Final answer
    x = 23,362.36

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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.