Home / 31,775.28-43,850.12-17,628.24

Finding the Fourth Proportional to 31,775.28, 43,850.12 and 17,628.24

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Solution

The fourth proportional to 31,775.28, 43,850.12 and 17,628.24 is: 24,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775.28 : 43,850.12 = 17,628.24 : x
  2. Step 2: Convert to fraction form
    31,775.28/43,850.12 = 17,628.24/x
  3. Step 3: Cross multiply
    31,775.28x = 43,850.12 × 17,628.24
  4. Step 4: Simplify right side
    31,775.28x = 773,000,439.39
  5. Step 5: Solve for x
    x = 773,000,439.39/31,775.28
  6. Step 6: Final answer
    x = 24,327.10

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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.