Home / 21,447.72-29,597.40-12,016.08

Finding the Fourth Proportional to 21,447.72, 29,597.40 and 12,016.08

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Solution

The fourth proportional to 21,447.72, 29,597.40 and 12,016.08 is: 16,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.72 : 29,597.40 = 12,016.08 : x
  2. Step 2: Convert to fraction form
    21,447.72/29,597.40 = 12,016.08/x
  3. Step 3: Cross multiply
    21,447.72x = 29,597.40 × 12,016.08
  4. Step 4: Simplify right side
    21,447.72x = 355,644,726.19
  5. Step 5: Solve for x
    x = 355,644,726.19/21,447.72
  6. Step 6: Final answer
    x = 16,581.94

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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.