Home / 18,760.32-28,033.20-14,293.44

Finding the Fourth Proportional to 18,760.32, 28,033.20 and 14,293.44

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Solution

The fourth proportional to 18,760.32, 28,033.20 and 14,293.44 is: 21,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.32 : 28,033.20 = 14,293.44 : x
  2. Step 2: Convert to fraction form
    18,760.32/28,033.20 = 14,293.44/x
  3. Step 3: Cross multiply
    18,760.32x = 28,033.20 × 14,293.44
  4. Step 4: Simplify right side
    18,760.32x = 400,690,862.21
  5. Step 5: Solve for x
    x = 400,690,862.21/18,760.32
  6. Step 6: Final answer
    x = 21,358.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.