Home / 50,928.28-70,281.06-28,267.28

Finding the Fourth Proportional to 50,928.28, 70,281.06 and 28,267.28

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Solution

The fourth proportional to 50,928.28, 70,281.06 and 28,267.28 is: 39,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.28 : 70,281.06 = 28,267.28 : x
  2. Step 2: Convert to fraction form
    50,928.28/70,281.06 = 28,267.28/x
  3. Step 3: Cross multiply
    50,928.28x = 70,281.06 × 28,267.28
  4. Step 4: Simplify right side
    50,928.28x = 1,986,654,401.72
  5. Step 5: Solve for x
    x = 1,986,654,401.72/50,928.28
  6. Step 6: Final answer
    x = 39,008.87

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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.