Home / 27,484.50-41,223.78-18,656.40

Finding the Fourth Proportional to 27,484.50, 41,223.78 and 18,656.40

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Solution

The fourth proportional to 27,484.50, 41,223.78 and 18,656.40 is: 27,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,484.50 : 41,223.78 = 18,656.40 : x
  2. Step 2: Convert to fraction form
    27,484.50/41,223.78 = 18,656.40/x
  3. Step 3: Cross multiply
    27,484.50x = 41,223.78 × 18,656.40
  4. Step 4: Simplify right side
    27,484.50x = 769,087,329.19
  5. Step 5: Solve for x
    x = 769,087,329.19/27,484.50
  6. Step 6: Final answer
    x = 27,982.58

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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.