Home / 21,039.76-29,036.51-11,610.01

Finding the Fourth Proportional to 21,039.76, 29,036.51 and 11,610.01

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Solution

The fourth proportional to 21,039.76, 29,036.51 and 11,610.01 is: 16,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039.76 : 29,036.51 = 11,610.01 : x
  2. Step 2: Convert to fraction form
    21,039.76/29,036.51 = 11,610.01/x
  3. Step 3: Cross multiply
    21,039.76x = 29,036.51 × 11,610.01
  4. Step 4: Simplify right side
    21,039.76x = 337,114,171.47
  5. Step 5: Solve for x
    x = 337,114,171.47/21,039.76
  6. Step 6: Final answer
    x = 16,022.72

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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.