Home / 26,663.46-36,800.10-20,279.82

Finding the Fourth Proportional to 26,663.46, 36,800.10 and 20,279.82

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Solution

The fourth proportional to 26,663.46, 36,800.10 and 20,279.82 is: 27,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.46 : 36,800.10 = 20,279.82 : x
  2. Step 2: Convert to fraction form
    26,663.46/36,800.10 = 20,279.82/x
  3. Step 3: Cross multiply
    26,663.46x = 36,800.10 × 20,279.82
  4. Step 4: Simplify right side
    26,663.46x = 746,299,403.98
  5. Step 5: Solve for x
    x = 746,299,403.98/26,663.46
  6. Step 6: Final answer
    x = 27,989.59

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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.