Home / 38,821.60-53,572.80-22,906.72

Finding the Fourth Proportional to 38,821.60, 53,572.80 and 22,906.72

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Solution

The fourth proportional to 38,821.60, 53,572.80 and 22,906.72 is: 31,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.60 : 53,572.80 = 22,906.72 : x
  2. Step 2: Convert to fraction form
    38,821.60/53,572.80 = 22,906.72/x
  3. Step 3: Cross multiply
    38,821.60x = 53,572.80 × 22,906.72
  4. Step 4: Simplify right side
    38,821.60x = 1,227,177,129.22
  5. Step 5: Solve for x
    x = 1,227,177,129.22/38,821.60
  6. Step 6: Final answer
    x = 31,610.68

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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.