Home / 51,928.28-71,660.93-28,054.88

Finding the Fourth Proportional to 51,928.28, 71,660.93 and 28,054.88

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Solution

The fourth proportional to 51,928.28, 71,660.93 and 28,054.88 is: 38,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.28 : 71,660.93 = 28,054.88 : x
  2. Step 2: Convert to fraction form
    51,928.28/71,660.93 = 28,054.88/x
  3. Step 3: Cross multiply
    51,928.28x = 71,660.93 × 28,054.88
  4. Step 4: Simplify right side
    51,928.28x = 2,010,438,791.84
  5. Step 5: Solve for x
    x = 2,010,438,791.84/51,928.28
  6. Step 6: Final answer
    x = 38,715.68

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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.