Home / 28,685.14-43,053.64-12,057.46

Finding the Fourth Proportional to 28,685.14, 43,053.64 and 12,057.46

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Solution

The fourth proportional to 28,685.14, 43,053.64 and 12,057.46 is: 18,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685.14 : 43,053.64 = 12,057.46 : x
  2. Step 2: Convert to fraction form
    28,685.14/43,053.64 = 12,057.46/x
  3. Step 3: Cross multiply
    28,685.14x = 43,053.64 × 12,057.46
  4. Step 4: Simplify right side
    28,685.14x = 519,117,542.15
  5. Step 5: Solve for x
    x = 519,117,542.15/28,685.14
  6. Step 6: Final answer
    x = 18,097.09

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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.