Home / 27,580.40-41,380.62-13,538.94

Finding the Fourth Proportional to 27,580.40, 41,380.62 and 13,538.94

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Solution

The fourth proportional to 27,580.40, 41,380.62 and 13,538.94 is: 20,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,580.40 : 41,380.62 = 13,538.94 : x
  2. Step 2: Convert to fraction form
    27,580.40/41,380.62 = 13,538.94/x
  3. Step 3: Cross multiply
    27,580.40x = 41,380.62 × 13,538.94
  4. Step 4: Simplify right side
    27,580.40x = 560,249,663.65
  5. Step 5: Solve for x
    x = 560,249,663.65/27,580.40
  6. Step 6: Final answer
    x = 20,313.33

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1.5x scale

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.