Home / 21,571.65-32,335.20-15,634.08

Finding the Fourth Proportional to 21,571.65, 32,335.20 and 15,634.08

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Solution

The fourth proportional to 21,571.65, 32,335.20 and 15,634.08 is: 23,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.65 : 32,335.20 = 15,634.08 : x
  2. Step 2: Convert to fraction form
    21,571.65/32,335.20 = 15,634.08/x
  3. Step 3: Cross multiply
    21,571.65x = 32,335.20 × 15,634.08
  4. Step 4: Simplify right side
    21,571.65x = 505,531,103.62
  5. Step 5: Solve for x
    x = 505,531,103.62/21,571.65
  6. Step 6: Final answer
    x = 23,434.98

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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.