Home / 20,245.41-27,938.72-11,293.50

Finding the Fourth Proportional to 20,245.41, 27,938.72 and 11,293.50

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Solution

The fourth proportional to 20,245.41, 27,938.72 and 11,293.50 is: 15,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.41 : 27,938.72 = 11,293.50 : x
  2. Step 2: Convert to fraction form
    20,245.41/27,938.72 = 11,293.50/x
  3. Step 3: Cross multiply
    20,245.41x = 27,938.72 × 11,293.50
  4. Step 4: Simplify right side
    20,245.41x = 315,525,934.32
  5. Step 5: Solve for x
    x = 315,525,934.32/20,245.41
  6. Step 6: Final answer
    x = 15,585.06

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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.