Home / 27,230.68-40,772.58-18,893.08

Finding the Fourth Proportional to 27,230.68, 40,772.58 and 18,893.08

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Solution

The fourth proportional to 27,230.68, 40,772.58 and 18,893.08 is: 28,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.68 : 40,772.58 = 18,893.08 : x
  2. Step 2: Convert to fraction form
    27,230.68/40,772.58 = 18,893.08/x
  3. Step 3: Cross multiply
    27,230.68x = 40,772.58 × 18,893.08
  4. Step 4: Simplify right side
    27,230.68x = 770,319,615.75
  5. Step 5: Solve for x
    x = 770,319,615.75/27,230.68
  6. Step 6: Final answer
    x = 28,288.67

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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.