Home / 20,327.52-30,409.86-17,583.64

Finding the Fourth Proportional to 20,327.52, 30,409.86 and 17,583.64

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Solution

The fourth proportional to 20,327.52, 30,409.86 and 17,583.64 is: 26,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.52 : 30,409.86 = 17,583.64 : x
  2. Step 2: Convert to fraction form
    20,327.52/30,409.86 = 17,583.64/x
  3. Step 3: Cross multiply
    20,327.52x = 30,409.86 × 17,583.64
  4. Step 4: Simplify right side
    20,327.52x = 534,716,030.69
  5. Step 5: Solve for x
    x = 534,716,030.69/20,327.52
  6. Step 6: Final answer
    x = 26,305.03

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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.