Home / 31,989.60-47,856.24-27,653.76

Finding the Fourth Proportional to 31,989.60, 47,856.24 and 27,653.76

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Solution

The fourth proportional to 31,989.60, 47,856.24 and 27,653.76 is: 41,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989.60 : 47,856.24 = 27,653.76 : x
  2. Step 2: Convert to fraction form
    31,989.60/47,856.24 = 27,653.76/x
  3. Step 3: Cross multiply
    31,989.60x = 47,856.24 × 27,653.76
  4. Step 4: Simplify right side
    31,989.60x = 1,323,404,975.46
  5. Step 5: Solve for x
    x = 1,323,404,975.46/31,989.60
  6. Step 6: Final answer
    x = 41,369.85

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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.