Home / 28,400.98-42,554.38-17,274.01

Finding the Fourth Proportional to 28,400.98, 42,554.38 and 17,274.01

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Solution

The fourth proportional to 28,400.98, 42,554.38 and 17,274.01 is: 25,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400.98 : 42,554.38 = 17,274.01 : x
  2. Step 2: Convert to fraction form
    28,400.98/42,554.38 = 17,274.01/x
  3. Step 3: Cross multiply
    28,400.98x = 42,554.38 × 17,274.01
  4. Step 4: Simplify right side
    28,400.98x = 735,084,785.66
  5. Step 5: Solve for x
    x = 735,084,785.66/28,400.98
  6. Step 6: Final answer
    x = 25,882.37

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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.