Home / 29,262.90-40,382.52-15,833.86

Finding the Fourth Proportional to 29,262.90, 40,382.52 and 15,833.86

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Solution

The fourth proportional to 29,262.90, 40,382.52 and 15,833.86 is: 21,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,262.90 : 40,382.52 = 15,833.86 : x
  2. Step 2: Convert to fraction form
    29,262.90/40,382.52 = 15,833.86/x
  3. Step 3: Cross multiply
    29,262.90x = 40,382.52 × 15,833.86
  4. Step 4: Simplify right side
    29,262.90x = 639,411,007.79
  5. Step 5: Solve for x
    x = 639,411,007.79/29,262.90
  6. Step 6: Final answer
    x = 21,850.57

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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.