Home / 19,485.76-26,821.92-17,956.48

Finding the Fourth Proportional to 19,485.76, 26,821.92 and 17,956.48

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Solution

The fourth proportional to 19,485.76, 26,821.92 and 17,956.48 is: 24,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.76 : 26,821.92 = 17,956.48 : x
  2. Step 2: Convert to fraction form
    19,485.76/26,821.92 = 17,956.48/x
  3. Step 3: Cross multiply
    19,485.76x = 26,821.92 × 17,956.48
  4. Step 4: Simplify right side
    19,485.76x = 481,627,270.04
  5. Step 5: Solve for x
    x = 481,627,270.04/19,485.76
  6. Step 6: Final answer
    x = 24,716.88

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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.