Home / 28,873.77-43,317.14-9,153.51

Finding the Fourth Proportional to 28,873.77, 43,317.14 and 9,153.51

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Solution

The fourth proportional to 28,873.77, 43,317.14 and 9,153.51 is: 13,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.77 : 43,317.14 = 9,153.51 : x
  2. Step 2: Convert to fraction form
    28,873.77/43,317.14 = 9,153.51/x
  3. Step 3: Cross multiply
    28,873.77x = 43,317.14 × 9,153.51
  4. Step 4: Simplify right side
    28,873.77x = 396,503,828.39
  5. Step 5: Solve for x
    x = 396,503,828.39/28,873.77
  6. Step 6: Final answer
    x = 13,732.32

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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.