Home / 38,253.88-52,789.65-21,257.81

Finding the Fourth Proportional to 38,253.88, 52,789.65 and 21,257.81

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Solution

The fourth proportional to 38,253.88, 52,789.65 and 21,257.81 is: 29,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.88 : 52,789.65 = 21,257.81 : x
  2. Step 2: Convert to fraction form
    38,253.88/52,789.65 = 21,257.81/x
  3. Step 3: Cross multiply
    38,253.88x = 52,789.65 × 21,257.81
  4. Step 4: Simplify right side
    38,253.88x = 1,122,192,442.36
  5. Step 5: Solve for x
    x = 1,122,192,442.36/38,253.88
  6. Step 6: Final answer
    x = 29,335.39

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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.