Home / 27,057.29-40,576.20-15,816.47

Finding the Fourth Proportional to 27,057.29, 40,576.20 and 15,816.47

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Solution

The fourth proportional to 27,057.29, 40,576.20 and 15,816.47 is: 23,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.29 : 40,576.20 = 15,816.47 : x
  2. Step 2: Convert to fraction form
    27,057.29/40,576.20 = 15,816.47/x
  3. Step 3: Cross multiply
    27,057.29x = 40,576.20 × 15,816.47
  4. Step 4: Simplify right side
    27,057.29x = 641,771,987.82
  5. Step 5: Solve for x
    x = 641,771,987.82/27,057.29
  6. Step 6: Final answer
    x = 23,719.01

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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.