Home / 50,928.97-70,278.65-28,266.86

Finding the Fourth Proportional to 50,928.97, 70,278.65 and 28,266.86

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Solution

The fourth proportional to 50,928.97, 70,278.65 and 28,266.86 is: 39,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.97 : 70,278.65 = 28,266.86 : x
  2. Step 2: Convert to fraction form
    50,928.97/70,278.65 = 28,266.86/x
  3. Step 3: Cross multiply
    50,928.97x = 70,278.65 × 28,266.86
  4. Step 4: Simplify right side
    50,928.97x = 1,986,556,760.54
  5. Step 5: Solve for x
    x = 1,986,556,760.54/50,928.97
  6. Step 6: Final answer
    x = 39,006.42

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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.