Home / 38,403.75-57,628.31-16,215.69

Finding the Fourth Proportional to 38,403.75, 57,628.31 and 16,215.69

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Solution

The fourth proportional to 38,403.75, 57,628.31 and 16,215.69 is: 24,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.75 : 57,628.31 = 16,215.69 : x
  2. Step 2: Convert to fraction form
    38,403.75/57,628.31 = 16,215.69/x
  3. Step 3: Cross multiply
    38,403.75x = 57,628.31 × 16,215.69
  4. Step 4: Simplify right side
    38,403.75x = 934,482,729.11
  5. Step 5: Solve for x
    x = 934,482,729.11/38,403.75
  6. Step 6: Final answer
    x = 24,333.11

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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.