Home / 38,628.01-53,302.25-21,629.89

Finding the Fourth Proportional to 38,628.01, 53,302.25 and 21,629.89

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Solution

The fourth proportional to 38,628.01, 53,302.25 and 21,629.89 is: 29,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.01 : 53,302.25 = 21,629.89 : x
  2. Step 2: Convert to fraction form
    38,628.01/53,302.25 = 21,629.89/x
  3. Step 3: Cross multiply
    38,628.01x = 53,302.25 × 21,629.89
  4. Step 4: Simplify right side
    38,628.01x = 1,152,921,804.25
  5. Step 5: Solve for x
    x = 1,152,921,804.25/38,628.01
  6. Step 6: Final answer
    x = 29,846.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.