Home / 21,627.32-29,845.73-12,673.04

Finding the Fourth Proportional to 21,627.32, 29,845.73 and 12,673.04

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Solution

The fourth proportional to 21,627.32, 29,845.73 and 12,673.04 is: 17,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.32 : 29,845.73 = 12,673.04 : x
  2. Step 2: Convert to fraction form
    21,627.32/29,845.73 = 12,673.04/x
  3. Step 3: Cross multiply
    21,627.32x = 29,845.73 × 12,673.04
  4. Step 4: Simplify right side
    21,627.32x = 378,236,066.75
  5. Step 5: Solve for x
    x = 378,236,066.75/21,627.32
  6. Step 6: Final answer
    x = 17,488.81

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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.