Home / 18,292-27,432.60-5,811.52

Finding the Fourth Proportional to 18,292, 27,432.60 and 5,811.52

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Solution

The fourth proportional to 18,292, 27,432.60 and 5,811.52 is: 8,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292 : 27,432.60 = 5,811.52 : x
  2. Step 2: Convert to fraction form
    18,292/27,432.60 = 5,811.52/x
  3. Step 3: Cross multiply
    18,292x = 27,432.60 × 5,811.52
  4. Step 4: Simplify right side
    18,292x = 159,425,103.55
  5. Step 5: Solve for x
    x = 159,425,103.55/18,292
  6. Step 6: Final answer
    x = 8,715.56

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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.