Home / 20,828.16-31,245.48-6,037.20

Finding the Fourth Proportional to 20,828.16, 31,245.48 and 6,037.20

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Solution

The fourth proportional to 20,828.16, 31,245.48 and 6,037.20 is: 9,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,828.16 : 31,245.48 = 6,037.20 : x
  2. Step 2: Convert to fraction form
    20,828.16/31,245.48 = 6,037.20/x
  3. Step 3: Cross multiply
    20,828.16x = 31,245.48 × 6,037.20
  4. Step 4: Simplify right side
    20,828.16x = 188,635,211.86
  5. Step 5: Solve for x
    x = 188,635,211.86/20,828.16
  6. Step 6: Final answer
    x = 9,056.74

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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.