Home / 29,274.77-40,399.18-15,846.02

Finding the Fourth Proportional to 29,274.77, 40,399.18 and 15,846.02

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Solution

The fourth proportional to 29,274.77, 40,399.18 and 15,846.02 is: 21,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.77 : 40,399.18 = 15,846.02 : x
  2. Step 2: Convert to fraction form
    29,274.77/40,399.18 = 15,846.02/x
  3. Step 3: Cross multiply
    29,274.77x = 40,399.18 × 15,846.02
  4. Step 4: Simplify right side
    29,274.77x = 640,166,275.65
  5. Step 5: Solve for x
    x = 640,166,275.65/29,274.77
  6. Step 6: Final answer
    x = 21,867.51

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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.