Home / 26,167.45-36,112.03-14,991.61

Finding the Fourth Proportional to 26,167.45, 36,112.03 and 14,991.61

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Solution

The fourth proportional to 26,167.45, 36,112.03 and 14,991.61 is: 20,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,167.45 : 36,112.03 = 14,991.61 : x
  2. Step 2: Convert to fraction form
    26,167.45/36,112.03 = 14,991.61/x
  3. Step 3: Cross multiply
    26,167.45x = 36,112.03 × 14,991.61
  4. Step 4: Simplify right side
    26,167.45x = 541,377,470.07
  5. Step 5: Solve for x
    x = 541,377,470.07/26,167.45
  6. Step 6: Final answer
    x = 20,688.97

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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.