Home / 26,821.27-37,004.79-15,489.27

Finding the Fourth Proportional to 26,821.27, 37,004.79 and 15,489.27

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Solution

The fourth proportional to 26,821.27, 37,004.79 and 15,489.27 is: 21,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.27 : 37,004.79 = 15,489.27 : x
  2. Step 2: Convert to fraction form
    26,821.27/37,004.79 = 15,489.27/x
  3. Step 3: Cross multiply
    26,821.27x = 37,004.79 × 15,489.27
  4. Step 4: Simplify right side
    26,821.27x = 573,176,986.75
  5. Step 5: Solve for x
    x = 573,176,986.75/26,821.27
  6. Step 6: Final answer
    x = 21,370.24

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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.