Home / 28,551.41-42,829.96-9,828.97

Finding the Fourth Proportional to 28,551.41, 42,829.96 and 9,828.97

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Solution

The fourth proportional to 28,551.41, 42,829.96 and 9,828.97 is: 14,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551.41 : 42,829.96 = 9,828.97 : x
  2. Step 2: Convert to fraction form
    28,551.41/42,829.96 = 9,828.97/x
  3. Step 3: Cross multiply
    28,551.41x = 42,829.96 × 9,828.97
  4. Step 4: Simplify right side
    28,551.41x = 420,974,391.94
  5. Step 5: Solve for x
    x = 420,974,391.94/28,551.41
  6. Step 6: Final answer
    x = 14,744.43

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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.