Home / 38,138.08-57,207.46-15,661.12

Finding the Fourth Proportional to 38,138.08, 57,207.46 and 15,661.12

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Solution

The fourth proportional to 38,138.08, 57,207.46 and 15,661.12 is: 23,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,138.08 : 57,207.46 = 15,661.12 : x
  2. Step 2: Convert to fraction form
    38,138.08/57,207.46 = 15,661.12/x
  3. Step 3: Cross multiply
    38,138.08x = 57,207.46 × 15,661.12
  4. Step 4: Simplify right side
    38,138.08x = 895,932,895.96
  5. Step 5: Solve for x
    x = 895,932,895.96/38,138.08
  6. Step 6: Final answer
    x = 23,491.82

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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.