Home / 21,810.67-32,719.06-10,717.79

Finding the Fourth Proportional to 21,810.67, 32,719.06 and 10,717.79

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Solution

The fourth proportional to 21,810.67, 32,719.06 and 10,717.79 is: 16,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810.67 : 32,719.06 = 10,717.79 : x
  2. Step 2: Convert to fraction form
    21,810.67/32,719.06 = 10,717.79/x
  3. Step 3: Cross multiply
    21,810.67x = 32,719.06 × 10,717.79
  4. Step 4: Simplify right side
    21,810.67x = 350,675,987.28
  5. Step 5: Solve for x
    x = 350,675,987.28/21,810.67
  6. Step 6: Final answer
    x = 16,078.19

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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.