Home / 38,932.18-53,726.42-21,027.20

Finding the Fourth Proportional to 38,932.18, 53,726.42 and 21,027.20

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Solution

The fourth proportional to 38,932.18, 53,726.42 and 21,027.20 is: 29,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.18 : 53,726.42 = 21,027.20 : x
  2. Step 2: Convert to fraction form
    38,932.18/53,726.42 = 21,027.20/x
  3. Step 3: Cross multiply
    38,932.18x = 53,726.42 × 21,027.20
  4. Step 4: Simplify right side
    38,932.18x = 1,129,716,178.62
  5. Step 5: Solve for x
    x = 1,129,716,178.62/38,932.18
  6. Step 6: Final answer
    x = 29,017.54

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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.