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Finding the Fourth Proportional to 26,534.40, 36,614.40 and 18,163.20

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Solution

The fourth proportional to 26,534.40, 36,614.40 and 18,163.20 is: 25,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,534.40 : 36,614.40 = 18,163.20 : x
  2. Step 2: Convert to fraction form
    26,534.40/36,614.40 = 18,163.20/x
  3. Step 3: Cross multiply
    26,534.40x = 36,614.40 × 18,163.20
  4. Step 4: Simplify right side
    26,534.40x = 665,034,670.08
  5. Step 5: Solve for x
    x = 665,034,670.08/26,534.40
  6. Step 6: Final answer
    x = 25,063.11

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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.