Home / 27,353.69-41,030.54-21,122.80

Finding the Fourth Proportional to 27,353.69, 41,030.54 and 21,122.80

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Solution

The fourth proportional to 27,353.69, 41,030.54 and 21,122.80 is: 31,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,353.69 : 41,030.54 = 21,122.80 : x
  2. Step 2: Convert to fraction form
    27,353.69/41,030.54 = 21,122.80/x
  3. Step 3: Cross multiply
    27,353.69x = 41,030.54 × 21,122.80
  4. Step 4: Simplify right side
    27,353.69x = 866,679,579.55
  5. Step 5: Solve for x
    x = 866,679,579.55/27,353.69
  6. Step 6: Final answer
    x = 31,684.19

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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.