Home / 28,472.06-42,693.75-9,489.97

Finding the Fourth Proportional to 28,472.06, 42,693.75 and 9,489.97

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Solution

The fourth proportional to 28,472.06, 42,693.75 and 9,489.97 is: 14,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472.06 : 42,693.75 = 9,489.97 : x
  2. Step 2: Convert to fraction form
    28,472.06/42,693.75 = 9,489.97/x
  3. Step 3: Cross multiply
    28,472.06x = 42,693.75 × 9,489.97
  4. Step 4: Simplify right side
    28,472.06x = 405,162,264.37
  5. Step 5: Solve for x
    x = 405,162,264.37/28,472.06
  6. Step 6: Final answer
    x = 14,230.17

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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.