Home / 38,234.40-57,318.88-14,528.72

Finding the Fourth Proportional to 38,234.40, 57,318.88 and 14,528.72

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Solution

The fourth proportional to 38,234.40, 57,318.88 and 14,528.72 is: 21,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234.40 : 57,318.88 = 14,528.72 : x
  2. Step 2: Convert to fraction form
    38,234.40/57,318.88 = 14,528.72/x
  3. Step 3: Cross multiply
    38,234.40x = 57,318.88 × 14,528.72
  4. Step 4: Simplify right side
    38,234.40x = 832,769,958.23
  5. Step 5: Solve for x
    x = 832,769,958.23/38,234.40
  6. Step 6: Final answer
    x = 21,780.65

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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.