Home / 19,927.06-29,876.70-8,827.72

Finding the Fourth Proportional to 19,927.06, 29,876.70 and 8,827.72

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Solution

The fourth proportional to 19,927.06, 29,876.70 and 8,827.72 is: 13,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.06 : 29,876.70 = 8,827.72 : x
  2. Step 2: Convert to fraction form
    19,927.06/29,876.70 = 8,827.72/x
  3. Step 3: Cross multiply
    19,927.06x = 29,876.70 × 8,827.72
  4. Step 4: Simplify right side
    19,927.06x = 263,743,142.12
  5. Step 5: Solve for x
    x = 263,743,142.12/19,927.06
  6. Step 6: Final answer
    x = 13,235.43

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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.