Home / 28,773.51-43,142.97-11,251.59

Finding the Fourth Proportional to 28,773.51, 43,142.97 and 11,251.59

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Solution

The fourth proportional to 28,773.51, 43,142.97 and 11,251.59 is: 16,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.51 : 43,142.97 = 11,251.59 : x
  2. Step 2: Convert to fraction form
    28,773.51/43,142.97 = 11,251.59/x
  3. Step 3: Cross multiply
    28,773.51x = 43,142.97 × 11,251.59
  4. Step 4: Simplify right side
    28,773.51x = 485,427,009.82
  5. Step 5: Solve for x
    x = 485,427,009.82/28,773.51
  6. Step 6: Final answer
    x = 16,870.62

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1.5x scale

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.