Home / 28,550.41-42,828.46-9,827.97

Finding the Fourth Proportional to 28,550.41, 42,828.46 and 9,827.97

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Solution

The fourth proportional to 28,550.41, 42,828.46 and 9,827.97 is: 14,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.41 : 42,828.46 = 9,827.97 : x
  2. Step 2: Convert to fraction form
    28,550.41/42,828.46 = 9,827.97/x
  3. Step 3: Cross multiply
    28,550.41x = 42,828.46 × 9,827.97
  4. Step 4: Simplify right side
    28,550.41x = 420,916,605.88
  5. Step 5: Solve for x
    x = 420,916,605.88/28,550.41
  6. Step 6: Final answer
    x = 14,742.93

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1.5x scale

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.