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Finding the Fourth Proportional to 17,760.33, 26,652.38 and 7,372.08

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Solution

The fourth proportional to 17,760.33, 26,652.38 and 7,372.08 is: 11,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.33 : 26,652.38 = 7,372.08 : x
  2. Step 2: Convert to fraction form
    17,760.33/26,652.38 = 7,372.08/x
  3. Step 3: Cross multiply
    17,760.33x = 26,652.38 × 7,372.08
  4. Step 4: Simplify right side
    17,760.33x = 196,483,440.69
  5. Step 5: Solve for x
    x = 196,483,440.69/17,760.33
  6. Step 6: Final answer
    x = 11,063.05

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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.