Home / 26,627.45-39,942.18-8,859.69

Finding the Fourth Proportional to 26,627.45, 39,942.18 and 8,859.69

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Solution

The fourth proportional to 26,627.45, 39,942.18 and 8,859.69 is: 13,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,627.45 : 39,942.18 = 8,859.69 : x
  2. Step 2: Convert to fraction form
    26,627.45/39,942.18 = 8,859.69/x
  3. Step 3: Cross multiply
    26,627.45x = 39,942.18 × 8,859.69
  4. Step 4: Simplify right side
    26,627.45x = 353,875,332.72
  5. Step 5: Solve for x
    x = 353,875,332.72/26,627.45
  6. Step 6: Final answer
    x = 13,289.87

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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.