Home / 38,652.51-57,965.07-18,386.88

Finding the Fourth Proportional to 38,652.51, 57,965.07 and 18,386.88

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Solution

The fourth proportional to 38,652.51, 57,965.07 and 18,386.88 is: 27,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652.51 : 57,965.07 = 18,386.88 : x
  2. Step 2: Convert to fraction form
    38,652.51/57,965.07 = 18,386.88/x
  3. Step 3: Cross multiply
    38,652.51x = 57,965.07 × 18,386.88
  4. Step 4: Simplify right side
    38,652.51x = 1,065,796,786.28
  5. Step 5: Solve for x
    x = 1,065,796,786.28/38,652.51
  6. Step 6: Final answer
    x = 27,573.81

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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.