Home / 28,447.73-42,455.27-25,294.97

Finding the Fourth Proportional to 28,447.73, 42,455.27 and 25,294.97

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Solution

The fourth proportional to 28,447.73, 42,455.27 and 25,294.97 is: 37,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.73 : 42,455.27 = 25,294.97 : x
  2. Step 2: Convert to fraction form
    28,447.73/42,455.27 = 25,294.97/x
  3. Step 3: Cross multiply
    28,447.73x = 42,455.27 × 25,294.97
  4. Step 4: Simplify right side
    28,447.73x = 1,073,904,950.37
  5. Step 5: Solve for x
    x = 1,073,904,950.37/28,447.73
  6. Step 6: Final answer
    x = 37,750.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.