Home / 27,519.10-37,978.26-15,582.52

Finding the Fourth Proportional to 27,519.10, 37,978.26 and 15,582.52

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Solution

The fourth proportional to 27,519.10, 37,978.26 and 15,582.52 is: 21,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519.10 : 37,978.26 = 15,582.52 : x
  2. Step 2: Convert to fraction form
    27,519.10/37,978.26 = 15,582.52/x
  3. Step 3: Cross multiply
    27,519.10x = 37,978.26 × 15,582.52
  4. Step 4: Simplify right side
    27,519.10x = 591,796,996.02
  5. Step 5: Solve for x
    x = 591,796,996.02/27,519.10
  6. Step 6: Final answer
    x = 21,504.95

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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.