Home / 28,614.15-42,930.56-13,824.76

Finding the Fourth Proportional to 28,614.15, 42,930.56 and 13,824.76

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Solution

The fourth proportional to 28,614.15, 42,930.56 and 13,824.76 is: 20,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.15 : 42,930.56 = 13,824.76 : x
  2. Step 2: Convert to fraction form
    28,614.15/42,930.56 = 13,824.76/x
  3. Step 3: Cross multiply
    28,614.15x = 42,930.56 × 13,824.76
  4. Step 4: Simplify right side
    28,614.15x = 593,504,619.54
  5. Step 5: Solve for x
    x = 593,504,619.54/28,614.15
  6. Step 6: Final answer
    x = 20,741.65

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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.