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Finding the Fourth Proportional to 20,004, 27,605.19 and 11,051.88

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Solution

The fourth proportional to 20,004, 27,605.19 and 11,051.88 is: 15,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004 : 27,605.19 = 11,051.88 : x
  2. Step 2: Convert to fraction form
    20,004/27,605.19 = 11,051.88/x
  3. Step 3: Cross multiply
    20,004x = 27,605.19 × 11,051.88
  4. Step 4: Simplify right side
    20,004x = 305,089,247.26
  5. Step 5: Solve for x
    x = 305,089,247.26/20,004
  6. Step 6: Final answer
    x = 15,251.41

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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.