Home / 23,656.05-35,476.79-7,857.71

Finding the Fourth Proportional to 23,656.05, 35,476.79 and 7,857.71

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Solution

The fourth proportional to 23,656.05, 35,476.79 and 7,857.71 is: 11,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,656.05 : 35,476.79 = 7,857.71 : x
  2. Step 2: Convert to fraction form
    23,656.05/35,476.79 = 7,857.71/x
  3. Step 3: Cross multiply
    23,656.05x = 35,476.79 × 7,857.71
  4. Step 4: Simplify right side
    23,656.05x = 278,766,243.92
  5. Step 5: Solve for x
    x = 278,766,243.92/23,656.05
  6. Step 6: Final answer
    x = 11,784.14

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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.