Home / 20,932.65-31,362.08-11,050.16

Finding the Fourth Proportional to 20,932.65, 31,362.08 and 11,050.16

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Solution

The fourth proportional to 20,932.65, 31,362.08 and 11,050.16 is: 16,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932.65 : 31,362.08 = 11,050.16 : x
  2. Step 2: Convert to fraction form
    20,932.65/31,362.08 = 11,050.16/x
  3. Step 3: Cross multiply
    20,932.65x = 31,362.08 × 11,050.16
  4. Step 4: Simplify right side
    20,932.65x = 346,555,789.87
  5. Step 5: Solve for x
    x = 346,555,789.87/20,932.65
  6. Step 6: Final answer
    x = 16,555.75

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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.