Home / 28,854.36-43,277.19-9,130.35

Finding the Fourth Proportional to 28,854.36, 43,277.19 and 9,130.35

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Solution

The fourth proportional to 28,854.36, 43,277.19 and 9,130.35 is: 13,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.36 : 43,277.19 = 9,130.35 : x
  2. Step 2: Convert to fraction form
    28,854.36/43,277.19 = 9,130.35/x
  3. Step 3: Cross multiply
    28,854.36x = 43,277.19 × 9,130.35
  4. Step 4: Simplify right side
    28,854.36x = 395,135,891.72
  5. Step 5: Solve for x
    x = 395,135,891.72/28,854.36
  6. Step 6: Final answer
    x = 13,694.15

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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.