Home / 50,628.48-69,868.80-28,272

Finding the Fourth Proportional to 50,628.48, 69,868.80 and 28,272

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Solution

The fourth proportional to 50,628.48, 69,868.80 and 28,272 is: 39,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,628.48 : 69,868.80 = 28,272 : x
  2. Step 2: Convert to fraction form
    50,628.48/69,868.80 = 28,272/x
  3. Step 3: Cross multiply
    50,628.48x = 69,868.80 × 28,272
  4. Step 4: Simplify right side
    50,628.48x = 1,975,330,713.60
  5. Step 5: Solve for x
    x = 1,975,330,713.60/50,628.48
  6. Step 6: Final answer
    x = 39,016.20

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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.