Home / 29,274.77-40,399.29-15,846.19

Finding the Fourth Proportional to 29,274.77, 40,399.29 and 15,846.19

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Solution

The fourth proportional to 29,274.77, 40,399.29 and 15,846.19 is: 21,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.77 : 40,399.29 = 15,846.19 : x
  2. Step 2: Convert to fraction form
    29,274.77/40,399.29 = 15,846.19/x
  3. Step 3: Cross multiply
    29,274.77x = 40,399.29 × 15,846.19
  4. Step 4: Simplify right side
    29,274.77x = 640,174,724.21
  5. Step 5: Solve for x
    x = 640,174,724.21/29,274.77
  6. Step 6: Final answer
    x = 21,867.80

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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.