Home / 21,271.04-32,065.92-19,843.84

Finding the Fourth Proportional to 21,271.04, 32,065.92 and 19,843.84

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Solution

The fourth proportional to 21,271.04, 32,065.92 and 19,843.84 is: 29,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,271.04 : 32,065.92 = 19,843.84 : x
  2. Step 2: Convert to fraction form
    21,271.04/32,065.92 = 19,843.84/x
  3. Step 3: Cross multiply
    21,271.04x = 32,065.92 × 19,843.84
  4. Step 4: Simplify right side
    21,271.04x = 636,310,985.93
  5. Step 5: Solve for x
    x = 636,310,985.93/21,271.04
  6. Step 6: Final answer
    x = 29,914.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.