Home / 26,755.64-40,121.82-14,272.88

Finding the Fourth Proportional to 26,755.64, 40,121.82 and 14,272.88

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Solution

The fourth proportional to 26,755.64, 40,121.82 and 14,272.88 is: 21,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.64 : 40,121.82 = 14,272.88 : x
  2. Step 2: Convert to fraction form
    26,755.64/40,121.82 = 14,272.88/x
  3. Step 3: Cross multiply
    26,755.64x = 40,121.82 × 14,272.88
  4. Step 4: Simplify right side
    26,755.64x = 572,653,721.63
  5. Step 5: Solve for x
    x = 572,653,721.63/26,755.64
  6. Step 6: Final answer
    x = 21,403.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.