Home / 26,186.50-36,123.32-18,214.88

Finding the Fourth Proportional to 26,186.50, 36,123.32 and 18,214.88

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Solution

The fourth proportional to 26,186.50, 36,123.32 and 18,214.88 is: 25,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.50 : 36,123.32 = 18,214.88 : x
  2. Step 2: Convert to fraction form
    26,186.50/36,123.32 = 18,214.88/x
  3. Step 3: Cross multiply
    26,186.50x = 36,123.32 × 18,214.88
  4. Step 4: Simplify right side
    26,186.50x = 657,981,939.00
  5. Step 5: Solve for x
    x = 657,981,939.00/26,186.50
  6. Step 6: Final answer
    x = 25,126.76

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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.