Home / 21,919.68-32,950.80-17,584.56

Finding the Fourth Proportional to 21,919.68, 32,950.80 and 17,584.56

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Solution

The fourth proportional to 21,919.68, 32,950.80 and 17,584.56 is: 26,434.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919.68 : 32,950.80 = 17,584.56 : x
  2. Step 2: Convert to fraction form
    21,919.68/32,950.80 = 17,584.56/x
  3. Step 3: Cross multiply
    21,919.68x = 32,950.80 × 17,584.56
  4. Step 4: Simplify right side
    21,919.68x = 579,425,319.65
  5. Step 5: Solve for x
    x = 579,425,319.65/21,919.68
  6. Step 6: Final answer
    x = 26,434.02

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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.