Home / 27,842.54-38,421.69-15,267.02

Finding the Fourth Proportional to 27,842.54, 38,421.69 and 15,267.02

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Solution

The fourth proportional to 27,842.54, 38,421.69 and 15,267.02 is: 21,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.54 : 38,421.69 = 15,267.02 : x
  2. Step 2: Convert to fraction form
    27,842.54/38,421.69 = 15,267.02/x
  3. Step 3: Cross multiply
    27,842.54x = 38,421.69 × 15,267.02
  4. Step 4: Simplify right side
    27,842.54x = 586,584,709.66
  5. Step 5: Solve for x
    x = 586,584,709.66/27,842.54
  6. Step 6: Final answer
    x = 21,067.93

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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.