Home / 25,902.28-35,743.76-15,288.04

Finding the Fourth Proportional to 25,902.28, 35,743.76 and 15,288.04

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Solution

The fourth proportional to 25,902.28, 35,743.76 and 15,288.04 is: 21,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902.28 : 35,743.76 = 15,288.04 : x
  2. Step 2: Convert to fraction form
    25,902.28/35,743.76 = 15,288.04/x
  3. Step 3: Cross multiply
    25,902.28x = 35,743.76 × 15,288.04
  4. Step 4: Simplify right side
    25,902.28x = 546,451,892.13
  5. Step 5: Solve for x
    x = 546,451,892.13/25,902.28
  6. Step 6: Final answer
    x = 21,096.68

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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.