Home / 25,455.36-38,170.04-10,660.24

Finding the Fourth Proportional to 25,455.36, 38,170.04 and 10,660.24

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Solution

The fourth proportional to 25,455.36, 38,170.04 and 10,660.24 is: 15,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.36 : 38,170.04 = 10,660.24 : x
  2. Step 2: Convert to fraction form
    25,455.36/38,170.04 = 10,660.24/x
  3. Step 3: Cross multiply
    25,455.36x = 38,170.04 × 10,660.24
  4. Step 4: Simplify right side
    25,455.36x = 406,901,787.21
  5. Step 5: Solve for x
    x = 406,901,787.21/25,455.36
  6. Step 6: Final answer
    x = 15,984.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.