Home / 18,423.39-27,634.99-5,275.75

Finding the Fourth Proportional to 18,423.39, 27,634.99 and 5,275.75

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Solution

The fourth proportional to 18,423.39, 27,634.99 and 5,275.75 is: 7,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.39 : 27,634.99 = 5,275.75 : x
  2. Step 2: Convert to fraction form
    18,423.39/27,634.99 = 5,275.75/x
  3. Step 3: Cross multiply
    18,423.39x = 27,634.99 × 5,275.75
  4. Step 4: Simplify right side
    18,423.39x = 145,795,298.49
  5. Step 5: Solve for x
    x = 145,795,298.49/18,423.39
  6. Step 6: Final answer
    x = 7,913.60

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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.