Home / 20,795.22-28,727.76-17,995.86

Finding the Fourth Proportional to 20,795.22, 28,727.76 and 17,995.86

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Solution

The fourth proportional to 20,795.22, 28,727.76 and 17,995.86 is: 24,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.22 : 28,727.76 = 17,995.86 : x
  2. Step 2: Convert to fraction form
    20,795.22/28,727.76 = 17,995.86/x
  3. Step 3: Cross multiply
    20,795.22x = 28,727.76 × 17,995.86
  4. Step 4: Simplify right side
    20,795.22x = 516,980,747.07
  5. Step 5: Solve for x
    x = 516,980,747.07/20,795.22
  6. Step 6: Final answer
    x = 24,860.56

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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.