Home / 28,542.43-42,817.29-11,017.27

Finding the Fourth Proportional to 28,542.43, 42,817.29 and 11,017.27

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Solution

The fourth proportional to 28,542.43, 42,817.29 and 11,017.27 is: 16,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.43 : 42,817.29 = 11,017.27 : x
  2. Step 2: Convert to fraction form
    28,542.43/42,817.29 = 11,017.27/x
  3. Step 3: Cross multiply
    28,542.43x = 42,817.29 × 11,017.27
  4. Step 4: Simplify right side
    28,542.43x = 471,729,644.60
  5. Step 5: Solve for x
    x = 471,729,644.60/28,542.43
  6. Step 6: Final answer
    x = 16,527.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.