Home / 72,428.06-108,644.38-22,508.42

Finding the Fourth Proportional to 72,428.06, 108,644.38 and 22,508.42

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Solution

The fourth proportional to 72,428.06, 108,644.38 and 22,508.42 is: 33,763.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,428.06 : 108,644.38 = 22,508.42 : x
  2. Step 2: Convert to fraction form
    72,428.06/108,644.38 = 22,508.42/x
  3. Step 3: Cross multiply
    72,428.06x = 108,644.38 × 22,508.42
  4. Step 4: Simplify right side
    72,428.06x = 2,445,413,335.68
  5. Step 5: Solve for x
    x = 2,445,413,335.68/72,428.06
  6. Step 6: Final answer
    x = 33,763.34

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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.