Home / 20,237.65-27,924.60-11,284.90

Finding the Fourth Proportional to 20,237.65, 27,924.60 and 11,284.90

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Solution

The fourth proportional to 20,237.65, 27,924.60 and 11,284.90 is: 15,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.65 : 27,924.60 = 11,284.90 : x
  2. Step 2: Convert to fraction form
    20,237.65/27,924.60 = 11,284.90/x
  3. Step 3: Cross multiply
    20,237.65x = 27,924.60 × 11,284.90
  4. Step 4: Simplify right side
    20,237.65x = 315,126,318.54
  5. Step 5: Solve for x
    x = 315,126,318.54/20,237.65
  6. Step 6: Final answer
    x = 15,571.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.