Home / 28,233.38-42,343.99-8,507.86

Finding the Fourth Proportional to 28,233.38, 42,343.99 and 8,507.86

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Solution

The fourth proportional to 28,233.38, 42,343.99 and 8,507.86 is: 12,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.38 : 42,343.99 = 8,507.86 : x
  2. Step 2: Convert to fraction form
    28,233.38/42,343.99 = 8,507.86/x
  3. Step 3: Cross multiply
    28,233.38x = 42,343.99 × 8,507.86
  4. Step 4: Simplify right side
    28,233.38x = 360,256,738.76
  5. Step 5: Solve for x
    x = 360,256,738.76/28,233.38
  6. Step 6: Final answer
    x = 12,759.96

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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.