Home / 28,854.33-43,167.62-21,854.52

Finding the Fourth Proportional to 28,854.33, 43,167.62 and 21,854.52

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Solution

The fourth proportional to 28,854.33, 43,167.62 and 21,854.52 is: 32,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.33 : 43,167.62 = 21,854.52 : x
  2. Step 2: Convert to fraction form
    28,854.33/43,167.62 = 21,854.52/x
  3. Step 3: Cross multiply
    28,854.33x = 43,167.62 × 21,854.52
  4. Step 4: Simplify right side
    28,854.33x = 943,407,505.37
  5. Step 5: Solve for x
    x = 943,407,505.37/28,854.33
  6. Step 6: Final answer
    x = 32,695.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.