Home / 28,876.29-43,314.68-10,156.46

Finding the Fourth Proportional to 28,876.29, 43,314.68 and 10,156.46

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Solution

The fourth proportional to 28,876.29, 43,314.68 and 10,156.46 is: 15,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.29 : 43,314.68 = 10,156.46 : x
  2. Step 2: Convert to fraction form
    28,876.29/43,314.68 = 10,156.46/x
  3. Step 3: Cross multiply
    28,876.29x = 43,314.68 × 10,156.46
  4. Step 4: Simplify right side
    28,876.29x = 439,923,747.99
  5. Step 5: Solve for x
    x = 439,923,747.99/28,876.29
  6. Step 6: Final answer
    x = 15,234.78

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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.