Home / 27,536.24-38,017.32-18,120.80

Finding the Fourth Proportional to 27,536.24, 38,017.32 and 18,120.80

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Solution

The fourth proportional to 27,536.24, 38,017.32 and 18,120.80 is: 25,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,536.24 : 38,017.32 = 18,120.80 : x
  2. Step 2: Convert to fraction form
    27,536.24/38,017.32 = 18,120.80/x
  3. Step 3: Cross multiply
    27,536.24x = 38,017.32 × 18,120.80
  4. Step 4: Simplify right side
    27,536.24x = 688,904,252.26
  5. Step 5: Solve for x
    x = 688,904,252.26/27,536.24
  6. Step 6: Final answer
    x = 25,018.09

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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.