Home / 21,933.12-32,904-6,350.88

Finding the Fourth Proportional to 21,933.12, 32,904 and 6,350.88

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Solution

The fourth proportional to 21,933.12, 32,904 and 6,350.88 is: 9,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.12 : 32,904 = 6,350.88 : x
  2. Step 2: Convert to fraction form
    21,933.12/32,904 = 6,350.88/x
  3. Step 3: Cross multiply
    21,933.12x = 32,904 × 6,350.88
  4. Step 4: Simplify right side
    21,933.12x = 208,969,355.52
  5. Step 5: Solve for x
    x = 208,969,355.52/21,933.12
  6. Step 6: Final answer
    x = 9,527.57

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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.