Home / 20,536.24-30,816.60-8,849.20

Finding the Fourth Proportional to 20,536.24, 30,816.60 and 8,849.20

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Solution

The fourth proportional to 20,536.24, 30,816.60 and 8,849.20 is: 13,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.24 : 30,816.60 = 8,849.20 : x
  2. Step 2: Convert to fraction form
    20,536.24/30,816.60 = 8,849.20/x
  3. Step 3: Cross multiply
    20,536.24x = 30,816.60 × 8,849.20
  4. Step 4: Simplify right side
    20,536.24x = 272,702,256.72
  5. Step 5: Solve for x
    x = 272,702,256.72/20,536.24
  6. Step 6: Final answer
    x = 13,279.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.