Home / 27,881.28-41,836.23-18,527.72

Finding the Fourth Proportional to 27,881.28, 41,836.23 and 18,527.72

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Solution

The fourth proportional to 27,881.28, 41,836.23 and 18,527.72 is: 27,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.28 : 41,836.23 = 18,527.72 : x
  2. Step 2: Convert to fraction form
    27,881.28/41,836.23 = 18,527.72/x
  3. Step 3: Cross multiply
    27,881.28x = 41,836.23 × 18,527.72
  4. Step 4: Simplify right side
    27,881.28x = 775,129,746.11
  5. Step 5: Solve for x
    x = 775,129,746.11/27,881.28
  6. Step 6: Final answer
    x = 27,801.08

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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.