Home / 23,033.18-31,785.45-13,479.64

Finding the Fourth Proportional to 23,033.18, 31,785.45 and 13,479.64

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Solution

The fourth proportional to 23,033.18, 31,785.45 and 13,479.64 is: 18,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,033.18 : 31,785.45 = 13,479.64 : x
  2. Step 2: Convert to fraction form
    23,033.18/31,785.45 = 13,479.64/x
  3. Step 3: Cross multiply
    23,033.18x = 31,785.45 × 13,479.64
  4. Step 4: Simplify right side
    23,033.18x = 428,456,423.24
  5. Step 5: Solve for x
    x = 428,456,423.24/23,033.18
  6. Step 6: Final answer
    x = 18,601.71

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1.5x scale

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.