Home / 28,844-43,251.84-11,309.12

Finding the Fourth Proportional to 28,844, 43,251.84 and 11,309.12

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Solution

The fourth proportional to 28,844, 43,251.84 and 11,309.12 is: 16,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844 : 43,251.84 = 11,309.12 : x
  2. Step 2: Convert to fraction form
    28,844/43,251.84 = 11,309.12/x
  3. Step 3: Cross multiply
    28,844x = 43,251.84 × 11,309.12
  4. Step 4: Simplify right side
    28,844x = 489,140,248.78
  5. Step 5: Solve for x
    x = 489,140,248.78/28,844
  6. Step 6: Final answer
    x = 16,958.13

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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.