Home / 21,751.24-30,031.16-16,706.44

Finding the Fourth Proportional to 21,751.24, 30,031.16 and 16,706.44

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Solution

The fourth proportional to 21,751.24, 30,031.16 and 16,706.44 is: 23,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.24 : 30,031.16 = 16,706.44 : x
  2. Step 2: Convert to fraction form
    21,751.24/30,031.16 = 16,706.44/x
  3. Step 3: Cross multiply
    21,751.24x = 30,031.16 × 16,706.44
  4. Step 4: Simplify right side
    21,751.24x = 501,713,772.67
  5. Step 5: Solve for x
    x = 501,713,772.67/21,751.24
  6. Step 6: Final answer
    x = 23,065.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.