Home / 36,290.25-54,384.30-28,861.74

Finding the Fourth Proportional to 36,290.25, 54,384.30 and 28,861.74

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Solution

The fourth proportional to 36,290.25, 54,384.30 and 28,861.74 is: 43,251.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290.25 : 54,384.30 = 28,861.74 : x
  2. Step 2: Convert to fraction form
    36,290.25/54,384.30 = 28,861.74/x
  3. Step 3: Cross multiply
    36,290.25x = 54,384.30 × 28,861.74
  4. Step 4: Simplify right side
    36,290.25x = 1,569,625,526.68
  5. Step 5: Solve for x
    x = 1,569,625,526.68/36,290.25
  6. Step 6: Final answer
    x = 43,251.99

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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.