Home / 50,926.28-70,278.30-28,265.28

Finding the Fourth Proportional to 50,926.28, 70,278.30 and 28,265.28

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Solution

The fourth proportional to 50,926.28, 70,278.30 and 28,265.28 is: 39,006.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,926.28 : 70,278.30 = 28,265.28 : x
  2. Step 2: Convert to fraction form
    50,926.28/70,278.30 = 28,265.28/x
  3. Step 3: Cross multiply
    50,926.28x = 70,278.30 × 28,265.28
  4. Step 4: Simplify right side
    50,926.28x = 1,986,435,827.42
  5. Step 5: Solve for x
    x = 1,986,435,827.42/50,926.28
  6. Step 6: Final answer
    x = 39,006.11

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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.