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Finding the Fourth Proportional to 18,230.40, 27,294.40 and 17,718.40

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Solution

The fourth proportional to 18,230.40, 27,294.40 and 17,718.40 is: 26,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.40 : 27,294.40 = 17,718.40 : x
  2. Step 2: Convert to fraction form
    18,230.40/27,294.40 = 17,718.40/x
  3. Step 3: Cross multiply
    18,230.40x = 27,294.40 × 17,718.40
  4. Step 4: Simplify right side
    18,230.40x = 483,613,096.96
  5. Step 5: Solve for x
    x = 483,613,096.96/18,230.40
  6. Step 6: Final answer
    x = 26,527.84

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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.