Home / 31,917.57-47,883.24-15,915.84

Finding the Fourth Proportional to 31,917.57, 47,883.24 and 15,915.84

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Solution

The fourth proportional to 31,917.57, 47,883.24 and 15,915.84 is: 23,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.57 : 47,883.24 = 15,915.84 : x
  2. Step 2: Convert to fraction form
    31,917.57/47,883.24 = 15,915.84/x
  3. Step 3: Cross multiply
    31,917.57x = 47,883.24 × 15,915.84
  4. Step 4: Simplify right side
    31,917.57x = 762,101,986.52
  5. Step 5: Solve for x
    x = 762,101,986.52/31,917.57
  6. Step 6: Final answer
    x = 23,877.19

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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.