Home / 29,274.55-40,398.78-15,845.69

Finding the Fourth Proportional to 29,274.55, 40,398.78 and 15,845.69

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Solution

The fourth proportional to 29,274.55, 40,398.78 and 15,845.69 is: 21,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.55 : 40,398.78 = 15,845.69 : x
  2. Step 2: Convert to fraction form
    29,274.55/40,398.78 = 15,845.69/x
  3. Step 3: Cross multiply
    29,274.55x = 40,398.78 × 15,845.69
  4. Step 4: Simplify right side
    29,274.55x = 640,146,704.68
  5. Step 5: Solve for x
    x = 640,146,704.68/29,274.55
  6. Step 6: Final answer
    x = 21,867.01

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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.