Home / 20,629.27-30,915.96-14,772.97

Finding the Fourth Proportional to 20,629.27, 30,915.96 and 14,772.97

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Solution

The fourth proportional to 20,629.27, 30,915.96 and 14,772.97 is: 22,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.27 : 30,915.96 = 14,772.97 : x
  2. Step 2: Convert to fraction form
    20,629.27/30,915.96 = 14,772.97/x
  3. Step 3: Cross multiply
    20,629.27x = 30,915.96 × 14,772.97
  4. Step 4: Simplify right side
    20,629.27x = 456,720,549.60
  5. Step 5: Solve for x
    x = 456,720,549.60/20,629.27
  6. Step 6: Final answer
    x = 22,139.44

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1.5x scale

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.