Home / 27,866.12-38,455.14-15,291.08

Finding the Fourth Proportional to 27,866.12, 38,455.14 and 15,291.08

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Solution

The fourth proportional to 27,866.12, 38,455.14 and 15,291.08 is: 21,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866.12 : 38,455.14 = 15,291.08 : x
  2. Step 2: Convert to fraction form
    27,866.12/38,455.14 = 15,291.08/x
  3. Step 3: Cross multiply
    27,866.12x = 38,455.14 × 15,291.08
  4. Step 4: Simplify right side
    27,866.12x = 588,020,622.15
  5. Step 5: Solve for x
    x = 588,020,622.15/27,866.12
  6. Step 6: Final answer
    x = 21,101.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.