Home / 28,231.48-42,332.07-9,505.27

Finding the Fourth Proportional to 28,231.48, 42,332.07 and 9,505.27

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Solution

The fourth proportional to 28,231.48, 42,332.07 and 9,505.27 is: 14,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.48 : 42,332.07 = 9,505.27 : x
  2. Step 2: Convert to fraction form
    28,231.48/42,332.07 = 9,505.27/x
  3. Step 3: Cross multiply
    28,231.48x = 42,332.07 × 9,505.27
  4. Step 4: Simplify right side
    28,231.48x = 402,377,755.01
  5. Step 5: Solve for x
    x = 402,377,755.01/28,231.48
  6. Step 6: Final answer
    x = 14,252.80

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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.