Home / 23,491.44-32,419.71-15,519.69

Finding the Fourth Proportional to 23,491.44, 32,419.71 and 15,519.69

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Solution

The fourth proportional to 23,491.44, 32,419.71 and 15,519.69 is: 21,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.44 : 32,419.71 = 15,519.69 : x
  2. Step 2: Convert to fraction form
    23,491.44/32,419.71 = 15,519.69/x
  3. Step 3: Cross multiply
    23,491.44x = 32,419.71 × 15,519.69
  4. Step 4: Simplify right side
    23,491.44x = 503,143,849.09
  5. Step 5: Solve for x
    x = 503,143,849.09/23,491.44
  6. Step 6: Final answer
    x = 21,418.18

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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.