Home / 21,853.11-32,788.89-13,964.52

Finding the Fourth Proportional to 21,853.11, 32,788.89 and 13,964.52

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Solution

The fourth proportional to 21,853.11, 32,788.89 and 13,964.52 is: 20,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853.11 : 32,788.89 = 13,964.52 : x
  2. Step 2: Convert to fraction form
    21,853.11/32,788.89 = 13,964.52/x
  3. Step 3: Cross multiply
    21,853.11x = 32,788.89 × 13,964.52
  4. Step 4: Simplify right side
    21,853.11x = 457,881,233.14
  5. Step 5: Solve for x
    x = 457,881,233.14/21,853.11
  6. Step 6: Final answer
    x = 20,952.68

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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.