Home / 19,829.78-27,365.48-10,876.76

Finding the Fourth Proportional to 19,829.78, 27,365.48 and 10,876.76

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Solution

The fourth proportional to 19,829.78, 27,365.48 and 10,876.76 is: 15,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.78 : 27,365.48 = 10,876.76 : x
  2. Step 2: Convert to fraction form
    19,829.78/27,365.48 = 10,876.76/x
  3. Step 3: Cross multiply
    19,829.78x = 27,365.48 × 10,876.76
  4. Step 4: Simplify right side
    19,829.78x = 297,647,758.24
  5. Step 5: Solve for x
    x = 297,647,758.24/19,829.78
  6. Step 6: Final answer
    x = 15,010.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.