Home / 26,247.80-36,212.91-18,287.12

Finding the Fourth Proportional to 26,247.80, 36,212.91 and 18,287.12

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Solution

The fourth proportional to 26,247.80, 36,212.91 and 18,287.12 is: 25,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,247.80 : 36,212.91 = 18,287.12 : x
  2. Step 2: Convert to fraction form
    26,247.80/36,212.91 = 18,287.12/x
  3. Step 3: Cross multiply
    26,247.80x = 36,212.91 × 18,287.12
  4. Step 4: Simplify right side
    26,247.80x = 662,229,649.65
  5. Step 5: Solve for x
    x = 662,229,649.65/26,247.80
  6. Step 6: Final answer
    x = 25,229.92

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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.