Home / 27,204.18-40,781.97-13,156.35

Finding the Fourth Proportional to 27,204.18, 40,781.97 and 13,156.35

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Solution

The fourth proportional to 27,204.18, 40,781.97 and 13,156.35 is: 19,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,204.18 : 40,781.97 = 13,156.35 : x
  2. Step 2: Convert to fraction form
    27,204.18/40,781.97 = 13,156.35/x
  3. Step 3: Cross multiply
    27,204.18x = 40,781.97 × 13,156.35
  4. Step 4: Simplify right side
    27,204.18x = 536,541,871.01
  5. Step 5: Solve for x
    x = 536,541,871.01/27,204.18
  6. Step 6: Final answer
    x = 19,722.77

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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.