Home / 38,865.96-58,300.76-12,572.75

Finding the Fourth Proportional to 38,865.96, 58,300.76 and 12,572.75

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Solution

The fourth proportional to 38,865.96, 58,300.76 and 12,572.75 is: 18,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,865.96 : 58,300.76 = 12,572.75 : x
  2. Step 2: Convert to fraction form
    38,865.96/58,300.76 = 12,572.75/x
  3. Step 3: Cross multiply
    38,865.96x = 58,300.76 × 12,572.75
  4. Step 4: Simplify right side
    38,865.96x = 733,000,880.29
  5. Step 5: Solve for x
    x = 733,000,880.29/38,865.96
  6. Step 6: Final answer
    x = 18,859.71

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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.