Home / 38,932.38-53,726.69-21,027.39

Finding the Fourth Proportional to 38,932.38, 53,726.69 and 21,027.39

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Solution

The fourth proportional to 38,932.38, 53,726.69 and 21,027.39 is: 29,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.38 : 53,726.69 = 21,027.39 : x
  2. Step 2: Convert to fraction form
    38,932.38/53,726.69 = 21,027.39/x
  3. Step 3: Cross multiply
    38,932.38x = 53,726.69 × 21,027.39
  4. Step 4: Simplify right side
    38,932.38x = 1,129,732,064.04
  5. Step 5: Solve for x
    x = 1,129,732,064.04/38,932.38
  6. Step 6: Final answer
    x = 29,017.80

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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.