Home / 20,287.06-27,982.06-18,614.00

Finding the Fourth Proportional to 20,287.06, 27,982.06 and 18,614.00

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Solution

The fourth proportional to 20,287.06, 27,982.06 and 18,614.00 is: 25,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287.06 : 27,982.06 = 18,614.00 : x
  2. Step 2: Convert to fraction form
    20,287.06/27,982.06 = 18,614.00/x
  3. Step 3: Cross multiply
    20,287.06x = 27,982.06 × 18,614.00
  4. Step 4: Simplify right side
    20,287.06x = 520,858,088.26
  5. Step 5: Solve for x
    x = 520,858,088.26/20,287.06
  6. Step 6: Final answer
    x = 25,674.40

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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.