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Finding the Fourth Proportional to 17,485.44, 26,092.92 and 15,616.44

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Solution

The fourth proportional to 17,485.44, 26,092.92 and 15,616.44 is: 23,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.44 : 26,092.92 = 15,616.44 : x
  2. Step 2: Convert to fraction form
    17,485.44/26,092.92 = 15,616.44/x
  3. Step 3: Cross multiply
    17,485.44x = 26,092.92 × 15,616.44
  4. Step 4: Simplify right side
    17,485.44x = 407,478,519.60
  5. Step 5: Solve for x
    x = 407,478,519.60/17,485.44
  6. Step 6: Final answer
    x = 23,303.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.