Home / 34,268.28-51,285.50-28,727.88

Finding the Fourth Proportional to 34,268.28, 51,285.50 and 28,727.88

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Solution

The fourth proportional to 34,268.28, 51,285.50 and 28,727.88 is: 42,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,268.28 : 51,285.50 = 28,727.88 : x
  2. Step 2: Convert to fraction form
    34,268.28/51,285.50 = 28,727.88/x
  3. Step 3: Cross multiply
    34,268.28x = 51,285.50 × 28,727.88
  4. Step 4: Simplify right side
    34,268.28x = 1,473,323,689.74
  5. Step 5: Solve for x
    x = 1,473,323,689.74/34,268.28
  6. Step 6: Final answer
    x = 42,993.80

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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.