Home / 40,394.07-55,724.67-28,463.97

Finding the Fourth Proportional to 40,394.07, 55,724.67 and 28,463.97

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Solution

The fourth proportional to 40,394.07, 55,724.67 and 28,463.97 is: 39,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.07 : 55,724.67 = 28,463.97 : x
  2. Step 2: Convert to fraction form
    40,394.07/55,724.67 = 28,463.97/x
  3. Step 3: Cross multiply
    40,394.07x = 55,724.67 × 28,463.97
  4. Step 4: Simplify right side
    40,394.07x = 1,586,145,335.14
  5. Step 5: Solve for x
    x = 1,586,145,335.14/40,394.07
  6. Step 6: Final answer
    x = 39,266.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.