Home / 27,788.05-41,669.76-19,964.06

Finding the Fourth Proportional to 27,788.05, 41,669.76 and 19,964.06

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Solution

The fourth proportional to 27,788.05, 41,669.76 and 19,964.06 is: 29,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.05 : 41,669.76 = 19,964.06 : x
  2. Step 2: Convert to fraction form
    27,788.05/41,669.76 = 19,964.06/x
  3. Step 3: Cross multiply
    27,788.05x = 41,669.76 × 19,964.06
  4. Step 4: Simplify right side
    27,788.05x = 831,897,588.83
  5. Step 5: Solve for x
    x = 831,897,588.83/27,788.05
  6. Step 6: Final answer
    x = 29,937.24

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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.