Home / 21,934.07-32,882.64-8,779.25

Finding the Fourth Proportional to 21,934.07, 32,882.64 and 8,779.25

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Solution

The fourth proportional to 21,934.07, 32,882.64 and 8,779.25 is: 13,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934.07 : 32,882.64 = 8,779.25 : x
  2. Step 2: Convert to fraction form
    21,934.07/32,882.64 = 8,779.25/x
  3. Step 3: Cross multiply
    21,934.07x = 32,882.64 × 8,779.25
  4. Step 4: Simplify right side
    21,934.07x = 288,684,917.22
  5. Step 5: Solve for x
    x = 288,684,917.22/21,934.07
  6. Step 6: Final answer
    x = 13,161.48

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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.