Home / 28,053.56-38,718.92-16,723.79

Finding the Fourth Proportional to 28,053.56, 38,718.92 and 16,723.79

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Solution

The fourth proportional to 28,053.56, 38,718.92 and 16,723.79 is: 23,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.56 : 38,718.92 = 16,723.79 : x
  2. Step 2: Convert to fraction form
    28,053.56/38,718.92 = 16,723.79/x
  3. Step 3: Cross multiply
    28,053.56x = 38,718.92 × 16,723.79
  4. Step 4: Simplify right side
    28,053.56x = 647,526,924.59
  5. Step 5: Solve for x
    x = 647,526,924.59/28,053.56
  6. Step 6: Final answer
    x = 23,081.81

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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.