Home / 18,516.48-25,581.44-15,527.04

Finding the Fourth Proportional to 18,516.48, 25,581.44 and 15,527.04

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Solution

The fourth proportional to 18,516.48, 25,581.44 and 15,527.04 is: 21,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.48 : 25,581.44 = 15,527.04 : x
  2. Step 2: Convert to fraction form
    18,516.48/25,581.44 = 15,527.04/x
  3. Step 3: Cross multiply
    18,516.48x = 25,581.44 × 15,527.04
  4. Step 4: Simplify right side
    18,516.48x = 397,204,042.14
  5. Step 5: Solve for x
    x = 397,204,042.14/18,516.48
  6. Step 6: Final answer
    x = 21,451.38

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Double scale
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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.