Home / 26,389.50-39,591.54-18,492

Finding the Fourth Proportional to 26,389.50, 39,591.54 and 18,492

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Solution

The fourth proportional to 26,389.50, 39,591.54 and 18,492 is: 27,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.50 : 39,591.54 = 18,492 : x
  2. Step 2: Convert to fraction form
    26,389.50/39,591.54 = 18,492/x
  3. Step 3: Cross multiply
    26,389.50x = 39,591.54 × 18,492
  4. Step 4: Simplify right side
    26,389.50x = 732,126,757.68
  5. Step 5: Solve for x
    x = 732,126,757.68/26,389.50
  6. Step 6: Final answer
    x = 27,743.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.