Home / 28,828.68-39,793.56-16,895.88

Finding the Fourth Proportional to 28,828.68, 39,793.56 and 16,895.88

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Solution

The fourth proportional to 28,828.68, 39,793.56 and 16,895.88 is: 23,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.68 : 39,793.56 = 16,895.88 : x
  2. Step 2: Convert to fraction form
    28,828.68/39,793.56 = 16,895.88/x
  3. Step 3: Cross multiply
    28,828.68x = 39,793.56 × 16,895.88
  4. Step 4: Simplify right side
    28,828.68x = 672,347,214.53
  5. Step 5: Solve for x
    x = 672,347,214.53/28,828.68
  6. Step 6: Final answer
    x = 23,322.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.