Home / 28,240.65-42,365.84-11,609.73

Finding the Fourth Proportional to 28,240.65, 42,365.84 and 11,609.73

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Solution

The fourth proportional to 28,240.65, 42,365.84 and 11,609.73 is: 17,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.65 : 42,365.84 = 11,609.73 : x
  2. Step 2: Convert to fraction form
    28,240.65/42,365.84 = 11,609.73/x
  3. Step 3: Cross multiply
    28,240.65x = 42,365.84 × 11,609.73
  4. Step 4: Simplify right side
    28,240.65x = 491,855,905.57
  5. Step 5: Solve for x
    x = 491,855,905.57/28,240.65
  6. Step 6: Final answer
    x = 17,416.59

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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.