Home / 21,627.54-29,853.48-12,677.94

Finding the Fourth Proportional to 21,627.54, 29,853.48 and 12,677.94

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Solution

The fourth proportional to 21,627.54, 29,853.48 and 12,677.94 is: 17,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.54 : 29,853.48 = 12,677.94 : x
  2. Step 2: Convert to fraction form
    21,627.54/29,853.48 = 12,677.94/x
  3. Step 3: Cross multiply
    21,627.54x = 29,853.48 × 12,677.94
  4. Step 4: Simplify right side
    21,627.54x = 378,480,628.23
  5. Step 5: Solve for x
    x = 378,480,628.23/21,627.54
  6. Step 6: Final answer
    x = 17,499.94

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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.