Home / 49,728.67-68,608.26-28,215.88

Finding the Fourth Proportional to 49,728.67, 68,608.26 and 28,215.88

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Solution

The fourth proportional to 49,728.67, 68,608.26 and 28,215.88 is: 38,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.67 : 68,608.26 = 28,215.88 : x
  2. Step 2: Convert to fraction form
    49,728.67/68,608.26 = 28,215.88/x
  3. Step 3: Cross multiply
    49,728.67x = 68,608.26 × 28,215.88
  4. Step 4: Simplify right side
    49,728.67x = 1,935,842,431.17
  5. Step 5: Solve for x
    x = 1,935,842,431.17/49,728.67
  6. Step 6: Final answer
    x = 38,928.10

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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.