Home / 17,962.48-26,953.08-13,578.64

Finding the Fourth Proportional to 17,962.48, 26,953.08 and 13,578.64

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Solution

The fourth proportional to 17,962.48, 26,953.08 and 13,578.64 is: 20,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,962.48 : 26,953.08 = 13,578.64 : x
  2. Step 2: Convert to fraction form
    17,962.48/26,953.08 = 13,578.64/x
  3. Step 3: Cross multiply
    17,962.48x = 26,953.08 × 13,578.64
  4. Step 4: Simplify right side
    17,962.48x = 365,986,170.21
  5. Step 5: Solve for x
    x = 365,986,170.21/17,962.48
  6. Step 6: Final answer
    x = 20,375.04

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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.