Home / 26,613.69-36,729.48-19,887.64

Finding the Fourth Proportional to 26,613.69, 36,729.48 and 19,887.64

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Solution

The fourth proportional to 26,613.69, 36,729.48 and 19,887.64 is: 27,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.69 : 36,729.48 = 19,887.64 : x
  2. Step 2: Convert to fraction form
    26,613.69/36,729.48 = 19,887.64/x
  3. Step 3: Cross multiply
    26,613.69x = 36,729.48 × 19,887.64
  4. Step 4: Simplify right side
    26,613.69x = 730,462,658.38
  5. Step 5: Solve for x
    x = 730,462,658.38/26,613.69
  6. Step 6: Final answer
    x = 27,446.88

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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.