Home / 21,659.01-32,429.79-11,248.89

Finding the Fourth Proportional to 21,659.01, 32,429.79 and 11,248.89

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Solution

The fourth proportional to 21,659.01, 32,429.79 and 11,248.89 is: 16,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.01 : 32,429.79 = 11,248.89 : x
  2. Step 2: Convert to fraction form
    21,659.01/32,429.79 = 11,248.89/x
  3. Step 3: Cross multiply
    21,659.01x = 32,429.79 × 11,248.89
  4. Step 4: Simplify right side
    21,659.01x = 364,799,140.43
  5. Step 5: Solve for x
    x = 364,799,140.43/21,659.01
  6. Step 6: Final answer
    x = 16,842.84

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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.