Home / 38,281.89-57,419.13-11,628.12

Finding the Fourth Proportional to 38,281.89, 57,419.13 and 11,628.12

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Solution

The fourth proportional to 38,281.89, 57,419.13 and 11,628.12 is: 17,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.89 : 57,419.13 = 11,628.12 : x
  2. Step 2: Convert to fraction form
    38,281.89/57,419.13 = 11,628.12/x
  3. Step 3: Cross multiply
    38,281.89x = 57,419.13 × 11,628.12
  4. Step 4: Simplify right side
    38,281.89x = 667,676,533.94
  5. Step 5: Solve for x
    x = 667,676,533.94/38,281.89
  6. Step 6: Final answer
    x = 17,441.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.