Home / 27,804.28-38,369.46-15,867.30

Finding the Fourth Proportional to 27,804.28, 38,369.46 and 15,867.30

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Solution

The fourth proportional to 27,804.28, 38,369.46 and 15,867.30 is: 21,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.28 : 38,369.46 = 15,867.30 : x
  2. Step 2: Convert to fraction form
    27,804.28/38,369.46 = 15,867.30/x
  3. Step 3: Cross multiply
    27,804.28x = 38,369.46 × 15,867.30
  4. Step 4: Simplify right side
    27,804.28x = 608,819,732.66
  5. Step 5: Solve for x
    x = 608,819,732.66/27,804.28
  6. Step 6: Final answer
    x = 21,896.62

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1.5x scale

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.