Home / 28,456.45-42,675.46-9,476.02

Finding the Fourth Proportional to 28,456.45, 42,675.46 and 9,476.02

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Solution

The fourth proportional to 28,456.45, 42,675.46 and 9,476.02 is: 14,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,456.45 : 42,675.46 = 9,476.02 : x
  2. Step 2: Convert to fraction form
    28,456.45/42,675.46 = 9,476.02/x
  3. Step 3: Cross multiply
    28,456.45x = 42,675.46 × 9,476.02
  4. Step 4: Simplify right side
    28,456.45x = 404,393,542.12
  5. Step 5: Solve for x
    x = 404,393,542.12/28,456.45
  6. Step 6: Final answer
    x = 14,210.96

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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.