Home / 21,795.81-32,706.33-9,144.44

Finding the Fourth Proportional to 21,795.81, 32,706.33 and 9,144.44

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Solution

The fourth proportional to 21,795.81, 32,706.33 and 9,144.44 is: 13,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.81 : 32,706.33 = 9,144.44 : x
  2. Step 2: Convert to fraction form
    21,795.81/32,706.33 = 9,144.44/x
  3. Step 3: Cross multiply
    21,795.81x = 32,706.33 × 9,144.44
  4. Step 4: Simplify right side
    21,795.81x = 299,080,908.77
  5. Step 5: Solve for x
    x = 299,080,908.77/21,795.81
  6. Step 6: Final answer
    x = 13,721.95

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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.