Home / 21,604.66-32,354.74-17,879.47

Finding the Fourth Proportional to 21,604.66, 32,354.74 and 17,879.47

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Solution

The fourth proportional to 21,604.66, 32,354.74 and 17,879.47 is: 26,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.66 : 32,354.74 = 17,879.47 : x
  2. Step 2: Convert to fraction form
    21,604.66/32,354.74 = 17,879.47/x
  3. Step 3: Cross multiply
    21,604.66x = 32,354.74 × 17,879.47
  4. Step 4: Simplify right side
    21,604.66x = 578,485,544.65
  5. Step 5: Solve for x
    x = 578,485,544.65/21,604.66
  6. Step 6: Final answer
    x = 26,775.96

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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.