Home / 20,004.80-27,614.40-17,905.28

Finding the Fourth Proportional to 20,004.80, 27,614.40 and 17,905.28

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Solution

The fourth proportional to 20,004.80, 27,614.40 and 17,905.28 is: 24,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.80 : 27,614.40 = 17,905.28 : x
  2. Step 2: Convert to fraction form
    20,004.80/27,614.40 = 17,905.28/x
  3. Step 3: Cross multiply
    20,004.80x = 27,614.40 × 17,905.28
  4. Step 4: Simplify right side
    20,004.80x = 494,443,564.03
  5. Step 5: Solve for x
    x = 494,443,564.03/20,004.80
  6. Step 6: Final answer
    x = 24,716.25

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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.