Home / 21,196.80-31,726.08-14,952.96

Finding the Fourth Proportional to 21,196.80, 31,726.08 and 14,952.96

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Solution

The fourth proportional to 21,196.80, 31,726.08 and 14,952.96 is: 22,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196.80 : 31,726.08 = 14,952.96 : x
  2. Step 2: Convert to fraction form
    21,196.80/31,726.08 = 14,952.96/x
  3. Step 3: Cross multiply
    21,196.80x = 31,726.08 × 14,952.96
  4. Step 4: Simplify right side
    21,196.80x = 474,398,805.20
  5. Step 5: Solve for x
    x = 474,398,805.20/21,196.80
  6. Step 6: Final answer
    x = 22,380.68

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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.