Home / 26,809.28-36,981.60-16,856

Finding the Fourth Proportional to 26,809.28, 36,981.60 and 16,856

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Solution

The fourth proportional to 26,809.28, 36,981.60 and 16,856 is: 23,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,809.28 : 36,981.60 = 16,856 : x
  2. Step 2: Convert to fraction form
    26,809.28/36,981.60 = 16,856/x
  3. Step 3: Cross multiply
    26,809.28x = 36,981.60 × 16,856
  4. Step 4: Simplify right side
    26,809.28x = 623,361,849.60
  5. Step 5: Solve for x
    x = 623,361,849.60/26,809.28
  6. Step 6: Final answer
    x = 23,251.72

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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.