Home / 18,282.30-27,423.45-15,366.30

Finding the Fourth Proportional to 18,282.30, 27,423.45 and 15,366.30

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Solution

The fourth proportional to 18,282.30, 27,423.45 and 15,366.30 is: 23,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.30 : 27,423.45 = 15,366.30 : x
  2. Step 2: Convert to fraction form
    18,282.30/27,423.45 = 15,366.30/x
  3. Step 3: Cross multiply
    18,282.30x = 27,423.45 × 15,366.30
  4. Step 4: Simplify right side
    18,282.30x = 421,396,959.74
  5. Step 5: Solve for x
    x = 421,396,959.74/18,282.30
  6. Step 6: Final answer
    x = 23,049.45

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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.