Home / 23,023.22-31,772.19-12,951.59

Finding the Fourth Proportional to 23,023.22, 31,772.19 and 12,951.59

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Solution

The fourth proportional to 23,023.22, 31,772.19 and 12,951.59 is: 17,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,023.22 : 31,772.19 = 12,951.59 : x
  2. Step 2: Convert to fraction form
    23,023.22/31,772.19 = 12,951.59/x
  3. Step 3: Cross multiply
    23,023.22x = 31,772.19 × 12,951.59
  4. Step 4: Simplify right side
    23,023.22x = 411,500,219.42
  5. Step 5: Solve for x
    x = 411,500,219.42/23,023.22
  6. Step 6: Final answer
    x = 17,873.27

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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.