Home / 29,262.40-40,382.19-15,833.79

Finding the Fourth Proportional to 29,262.40, 40,382.19 and 15,833.79

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Solution

The fourth proportional to 29,262.40, 40,382.19 and 15,833.79 is: 21,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,262.40 : 40,382.19 = 15,833.79 : x
  2. Step 2: Convert to fraction form
    29,262.40/40,382.19 = 15,833.79/x
  3. Step 3: Cross multiply
    29,262.40x = 40,382.19 × 15,833.79
  4. Step 4: Simplify right side
    29,262.40x = 639,403,239.53
  5. Step 5: Solve for x
    x = 639,403,239.53/29,262.40
  6. Step 6: Final answer
    x = 21,850.68

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1.5x scale

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.