Home / 28,815.35-43,225.25-11,054.51

Finding the Fourth Proportional to 28,815.35, 43,225.25 and 11,054.51

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Solution

The fourth proportional to 28,815.35, 43,225.25 and 11,054.51 is: 16,582.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.35 : 43,225.25 = 11,054.51 : x
  2. Step 2: Convert to fraction form
    28,815.35/43,225.25 = 11,054.51/x
  3. Step 3: Cross multiply
    28,815.35x = 43,225.25 × 11,054.51
  4. Step 4: Simplify right side
    28,815.35x = 477,833,849.07
  5. Step 5: Solve for x
    x = 477,833,849.07/28,815.35
  6. Step 6: Final answer
    x = 16,582.62

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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.