Home / 20,589.96-30,734.25-17,686.92

Finding the Fourth Proportional to 20,589.96, 30,734.25 and 17,686.92

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Solution

The fourth proportional to 20,589.96, 30,734.25 and 17,686.92 is: 26,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.96 : 30,734.25 = 17,686.92 : x
  2. Step 2: Convert to fraction form
    20,589.96/30,734.25 = 17,686.92/x
  3. Step 3: Cross multiply
    20,589.96x = 30,734.25 × 17,686.92
  4. Step 4: Simplify right side
    20,589.96x = 543,594,221.01
  5. Step 5: Solve for x
    x = 543,594,221.01/20,589.96
  6. Step 6: Final answer
    x = 26,400.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.