Home / 26,859.05-40,288.53-7,137.61

Finding the Fourth Proportional to 26,859.05, 40,288.53 and 7,137.61

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Solution

The fourth proportional to 26,859.05, 40,288.53 and 7,137.61 is: 10,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.05 : 40,288.53 = 7,137.61 : x
  2. Step 2: Convert to fraction form
    26,859.05/40,288.53 = 7,137.61/x
  3. Step 3: Cross multiply
    26,859.05x = 40,288.53 × 7,137.61
  4. Step 4: Simplify right side
    26,859.05x = 287,563,648.87
  5. Step 5: Solve for x
    x = 287,563,648.87/26,859.05
  6. Step 6: Final answer
    x = 10,706.40

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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.