Home / 20,682.56-28,547.04-13,226.24

Finding the Fourth Proportional to 20,682.56, 28,547.04 and 13,226.24

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Solution

The fourth proportional to 20,682.56, 28,547.04 and 13,226.24 is: 18,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682.56 : 28,547.04 = 13,226.24 : x
  2. Step 2: Convert to fraction form
    20,682.56/28,547.04 = 13,226.24/x
  3. Step 3: Cross multiply
    20,682.56x = 28,547.04 × 13,226.24
  4. Step 4: Simplify right side
    20,682.56x = 377,570,002.33
  5. Step 5: Solve for x
    x = 377,570,002.33/20,682.56
  6. Step 6: Final answer
    x = 18,255.48

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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.