Home / 28,548.59-42,823.82-9,828.43

Finding the Fourth Proportional to 28,548.59, 42,823.82 and 9,828.43

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Solution

The fourth proportional to 28,548.59, 42,823.82 and 9,828.43 is: 14,742.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.59 : 42,823.82 = 9,828.43 : x
  2. Step 2: Convert to fraction form
    28,548.59/42,823.82 = 9,828.43/x
  3. Step 3: Cross multiply
    28,548.59x = 42,823.82 × 9,828.43
  4. Step 4: Simplify right side
    28,548.59x = 420,890,917.20
  5. Step 5: Solve for x
    x = 420,890,917.20/28,548.59
  6. Step 6: Final answer
    x = 14,742.97

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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.