Home / 26,354-36,377.16-18,923.60

Finding the Fourth Proportional to 26,354, 36,377.16 and 18,923.60

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Solution

The fourth proportional to 26,354, 36,377.16 and 18,923.60 is: 26,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,354 : 36,377.16 = 18,923.60 : x
  2. Step 2: Convert to fraction form
    26,354/36,377.16 = 18,923.60/x
  3. Step 3: Cross multiply
    26,354x = 36,377.16 × 18,923.60
  4. Step 4: Simplify right side
    26,354x = 688,386,824.98
  5. Step 5: Solve for x
    x = 688,386,824.98/26,354
  6. Step 6: Final answer
    x = 26,120.77

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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.