Home / 47,928.86-66,142.09-27,797.68

Finding the Fourth Proportional to 47,928.86, 66,142.09 and 27,797.68

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Solution

The fourth proportional to 47,928.86, 66,142.09 and 27,797.68 is: 38,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,928.86 : 66,142.09 = 27,797.68 : x
  2. Step 2: Convert to fraction form
    47,928.86/66,142.09 = 27,797.68/x
  3. Step 3: Cross multiply
    47,928.86x = 66,142.09 × 27,797.68
  4. Step 4: Simplify right side
    47,928.86x = 1,838,596,321.64
  5. Step 5: Solve for x
    x = 1,838,596,321.64/47,928.86
  6. Step 6: Final answer
    x = 38,360.94

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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.