Home / 28,026.36-41,983.20-13,943.88

Finding the Fourth Proportional to 28,026.36, 41,983.20 and 13,943.88

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Solution

The fourth proportional to 28,026.36, 41,983.20 and 13,943.88 is: 20,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.36 : 41,983.20 = 13,943.88 : x
  2. Step 2: Convert to fraction form
    28,026.36/41,983.20 = 13,943.88/x
  3. Step 3: Cross multiply
    28,026.36x = 41,983.20 × 13,943.88
  4. Step 4: Simplify right side
    28,026.36x = 585,408,702.82
  5. Step 5: Solve for x
    x = 585,408,702.82/28,026.36
  6. Step 6: Final answer
    x = 20,887.79

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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.