Home / 26,581.50-36,682.47-16,645.50

Finding the Fourth Proportional to 26,581.50, 36,682.47 and 16,645.50

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Solution

The fourth proportional to 26,581.50, 36,682.47 and 16,645.50 is: 22,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.50 : 36,682.47 = 16,645.50 : x
  2. Step 2: Convert to fraction form
    26,581.50/36,682.47 = 16,645.50/x
  3. Step 3: Cross multiply
    26,581.50x = 36,682.47 × 16,645.50
  4. Step 4: Simplify right side
    26,581.50x = 610,598,054.39
  5. Step 5: Solve for x
    x = 610,598,054.39/26,581.50
  6. Step 6: Final answer
    x = 22,970.79

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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.