Home / 38,273.12-57,436.16-14,899.68

Finding the Fourth Proportional to 38,273.12, 57,436.16 and 14,899.68

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Solution

The fourth proportional to 38,273.12, 57,436.16 and 14,899.68 is: 22,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,273.12 : 57,436.16 = 14,899.68 : x
  2. Step 2: Convert to fraction form
    38,273.12/57,436.16 = 14,899.68/x
  3. Step 3: Cross multiply
    38,273.12x = 57,436.16 × 14,899.68
  4. Step 4: Simplify right side
    38,273.12x = 855,780,404.43
  5. Step 5: Solve for x
    x = 855,780,404.43/38,273.12
  6. Step 6: Final answer
    x = 22,359.83

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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.