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Finding the Fourth Proportional to 32,473.28, 44,812.32 and 18,325.28

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Solution

The fourth proportional to 32,473.28, 44,812.32 and 18,325.28 is: 25,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,473.28 : 44,812.32 = 18,325.28 : x
  2. Step 2: Convert to fraction form
    32,473.28/44,812.32 = 18,325.28/x
  3. Step 3: Cross multiply
    32,473.28x = 44,812.32 × 18,325.28
  4. Step 4: Simplify right side
    32,473.28x = 821,198,311.45
  5. Step 5: Solve for x
    x = 821,198,311.45/32,473.28
  6. Step 6: Final answer
    x = 25,288.43

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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.