Home / 17,927.40-26,891.10-15,738.60

Finding the Fourth Proportional to 17,927.40, 26,891.10 and 15,738.60

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Solution

The fourth proportional to 17,927.40, 26,891.10 and 15,738.60 is: 23,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.40 : 26,891.10 = 15,738.60 : x
  2. Step 2: Convert to fraction form
    17,927.40/26,891.10 = 15,738.60/x
  3. Step 3: Cross multiply
    17,927.40x = 26,891.10 × 15,738.60
  4. Step 4: Simplify right side
    17,927.40x = 423,228,266.46
  5. Step 5: Solve for x
    x = 423,228,266.46/17,927.40
  6. Step 6: Final answer
    x = 23,607.90

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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.