Home / 28,894.29-43,329.13-11,351.81

Finding the Fourth Proportional to 28,894.29, 43,329.13 and 11,351.81

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Solution

The fourth proportional to 28,894.29, 43,329.13 and 11,351.81 is: 17,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.29 : 43,329.13 = 11,351.81 : x
  2. Step 2: Convert to fraction form
    28,894.29/43,329.13 = 11,351.81/x
  3. Step 3: Cross multiply
    28,894.29x = 43,329.13 × 11,351.81
  4. Step 4: Simplify right side
    28,894.29x = 491,864,131.17
  5. Step 5: Solve for x
    x = 491,864,131.17/28,894.29
  6. Step 6: Final answer
    x = 17,022.89

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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.