Home / 26,780.20-36,958.86-14,847.28

Finding the Fourth Proportional to 26,780.20, 36,958.86 and 14,847.28

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Solution

The fourth proportional to 26,780.20, 36,958.86 and 14,847.28 is: 20,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.20 : 36,958.86 = 14,847.28 : x
  2. Step 2: Convert to fraction form
    26,780.20/36,958.86 = 14,847.28/x
  3. Step 3: Cross multiply
    26,780.20x = 36,958.86 × 14,847.28
  4. Step 4: Simplify right side
    26,780.20x = 548,738,542.90
  5. Step 5: Solve for x
    x = 548,738,542.90/26,780.20
  6. Step 6: Final answer
    x = 20,490.46

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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.