Home / 17,855.94-26,780.43-13,132.02

Finding the Fourth Proportional to 17,855.94, 26,780.43 and 13,132.02

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Solution

The fourth proportional to 17,855.94, 26,780.43 and 13,132.02 is: 19,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.94 : 26,780.43 = 13,132.02 : x
  2. Step 2: Convert to fraction form
    17,855.94/26,780.43 = 13,132.02/x
  3. Step 3: Cross multiply
    17,855.94x = 26,780.43 × 13,132.02
  4. Step 4: Simplify right side
    17,855.94x = 351,681,142.37
  5. Step 5: Solve for x
    x = 351,681,142.37/17,855.94
  6. Step 6: Final answer
    x = 19,695.47

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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.