Home / 17,717.12-26,436.88-15,855.44

Finding the Fourth Proportional to 17,717.12, 26,436.88 and 15,855.44

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Solution

The fourth proportional to 17,717.12, 26,436.88 and 15,855.44 is: 23,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.12 : 26,436.88 = 15,855.44 : x
  2. Step 2: Convert to fraction form
    17,717.12/26,436.88 = 15,855.44/x
  3. Step 3: Cross multiply
    17,717.12x = 26,436.88 × 15,855.44
  4. Step 4: Simplify right side
    17,717.12x = 419,168,192.80
  5. Step 5: Solve for x
    x = 419,168,192.80/17,717.12
  6. Step 6: Final answer
    x = 23,658.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.