Home / 20,112.08-27,689.96-17,273.84

Finding the Fourth Proportional to 20,112.08, 27,689.96 and 17,273.84

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Solution

The fourth proportional to 20,112.08, 27,689.96 and 17,273.84 is: 23,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112.08 : 27,689.96 = 17,273.84 : x
  2. Step 2: Convert to fraction form
    20,112.08/27,689.96 = 17,273.84/x
  3. Step 3: Cross multiply
    20,112.08x = 27,689.96 × 17,273.84
  4. Step 4: Simplify right side
    20,112.08x = 478,311,938.65
  5. Step 5: Solve for x
    x = 478,311,938.65/20,112.08
  6. Step 6: Final answer
    x = 23,782.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.