Home / 28,100.05-42,026.14-25,001.80

Finding the Fourth Proportional to 28,100.05, 42,026.14 and 25,001.80

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Solution

The fourth proportional to 28,100.05, 42,026.14 and 25,001.80 is: 37,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.05 : 42,026.14 = 25,001.80 : x
  2. Step 2: Convert to fraction form
    28,100.05/42,026.14 = 25,001.80/x
  3. Step 3: Cross multiply
    28,100.05x = 42,026.14 × 25,001.80
  4. Step 4: Simplify right side
    28,100.05x = 1,050,729,147.05
  5. Step 5: Solve for x
    x = 1,050,729,147.05/28,100.05
  6. Step 6: Final answer
    x = 37,392.43

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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.