Home / 28,761.90-43,155.41-10,055.36

Finding the Fourth Proportional to 28,761.90, 43,155.41 and 10,055.36

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Solution

The fourth proportional to 28,761.90, 43,155.41 and 10,055.36 is: 15,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.90 : 43,155.41 = 10,055.36 : x
  2. Step 2: Convert to fraction form
    28,761.90/43,155.41 = 10,055.36/x
  3. Step 3: Cross multiply
    28,761.90x = 43,155.41 × 10,055.36
  4. Step 4: Simplify right side
    28,761.90x = 433,943,291.39
  5. Step 5: Solve for x
    x = 433,943,291.39/28,761.90
  6. Step 6: Final answer
    x = 15,087.44

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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.