Home / 26,884.86-40,296.87-13,536.64

Finding the Fourth Proportional to 26,884.86, 40,296.87 and 13,536.64

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Solution

The fourth proportional to 26,884.86, 40,296.87 and 13,536.64 is: 20,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,884.86 : 40,296.87 = 13,536.64 : x
  2. Step 2: Convert to fraction form
    26,884.86/40,296.87 = 13,536.64/x
  3. Step 3: Cross multiply
    26,884.86x = 40,296.87 × 13,536.64
  4. Step 4: Simplify right side
    26,884.86x = 545,484,347.95
  5. Step 5: Solve for x
    x = 545,484,347.95/26,884.86
  6. Step 6: Final answer
    x = 20,289.65

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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.