Home / 38,285.73-57,431.16-10,205.46

Finding the Fourth Proportional to 38,285.73, 57,431.16 and 10,205.46

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Solution

The fourth proportional to 38,285.73, 57,431.16 and 10,205.46 is: 15,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.73 : 57,431.16 = 10,205.46 : x
  2. Step 2: Convert to fraction form
    38,285.73/57,431.16 = 10,205.46/x
  3. Step 3: Cross multiply
    38,285.73x = 57,431.16 × 10,205.46
  4. Step 4: Simplify right side
    38,285.73x = 586,111,406.13
  5. Step 5: Solve for x
    x = 586,111,406.13/38,285.73
  6. Step 6: Final answer
    x = 15,308.87

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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.