Home / 28,783.69-43,200.14-11,265.82

Finding the Fourth Proportional to 28,783.69, 43,200.14 and 11,265.82

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Solution

The fourth proportional to 28,783.69, 43,200.14 and 11,265.82 is: 16,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.69 : 43,200.14 = 11,265.82 : x
  2. Step 2: Convert to fraction form
    28,783.69/43,200.14 = 11,265.82/x
  3. Step 3: Cross multiply
    28,783.69x = 43,200.14 × 11,265.82
  4. Step 4: Simplify right side
    28,783.69x = 486,684,836.89
  5. Step 5: Solve for x
    x = 486,684,836.89/28,783.69
  6. Step 6: Final answer
    x = 16,908.36

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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.