Home / 21,968.74-32,909.16-10,106.29

Finding the Fourth Proportional to 21,968.74, 32,909.16 and 10,106.29

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Solution

The fourth proportional to 21,968.74, 32,909.16 and 10,106.29 is: 15,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.74 : 32,909.16 = 10,106.29 : x
  2. Step 2: Convert to fraction form
    21,968.74/32,909.16 = 10,106.29/x
  3. Step 3: Cross multiply
    21,968.74x = 32,909.16 × 10,106.29
  4. Step 4: Simplify right side
    21,968.74x = 332,589,350.07
  5. Step 5: Solve for x
    x = 332,589,350.07/21,968.74
  6. Step 6: Final answer
    x = 15,139.21

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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.