Home / 26,724.72-36,876.78-14,786.40

Finding the Fourth Proportional to 26,724.72, 36,876.78 and 14,786.40

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Solution

The fourth proportional to 26,724.72, 36,876.78 and 14,786.40 is: 20,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.72 : 36,876.78 = 14,786.40 : x
  2. Step 2: Convert to fraction form
    26,724.72/36,876.78 = 14,786.40/x
  3. Step 3: Cross multiply
    26,724.72x = 36,876.78 × 14,786.40
  4. Step 4: Simplify right side
    26,724.72x = 545,274,819.79
  5. Step 5: Solve for x
    x = 545,274,819.79/26,724.72
  6. Step 6: Final answer
    x = 20,403.39

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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.