Home / 21,293.98-31,941.09-5,497.93

Finding the Fourth Proportional to 21,293.98, 31,941.09 and 5,497.93

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Solution

The fourth proportional to 21,293.98, 31,941.09 and 5,497.93 is: 8,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.98 : 31,941.09 = 5,497.93 : x
  2. Step 2: Convert to fraction form
    21,293.98/31,941.09 = 5,497.93/x
  3. Step 3: Cross multiply
    21,293.98x = 31,941.09 × 5,497.93
  4. Step 4: Simplify right side
    21,293.98x = 175,609,876.94
  5. Step 5: Solve for x
    x = 175,609,876.94/21,293.98
  6. Step 6: Final answer
    x = 8,246.93

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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.