Home / 26,786.10-36,995.08-18,273.61

Finding the Fourth Proportional to 26,786.10, 36,995.08 and 18,273.61

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Solution

The fourth proportional to 26,786.10, 36,995.08 and 18,273.61 is: 25,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786.10 : 36,995.08 = 18,273.61 : x
  2. Step 2: Convert to fraction form
    26,786.10/36,995.08 = 18,273.61/x
  3. Step 3: Cross multiply
    26,786.10x = 36,995.08 × 18,273.61
  4. Step 4: Simplify right side
    26,786.10x = 676,033,478.86
  5. Step 5: Solve for x
    x = 676,033,478.86/26,786.10
  6. Step 6: Final answer
    x = 25,238.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.