Home / 21,926.88-32,890.23-10,072.80

Finding the Fourth Proportional to 21,926.88, 32,890.23 and 10,072.80

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Solution

The fourth proportional to 21,926.88, 32,890.23 and 10,072.80 is: 15,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.88 : 32,890.23 = 10,072.80 : x
  2. Step 2: Convert to fraction form
    21,926.88/32,890.23 = 10,072.80/x
  3. Step 3: Cross multiply
    21,926.88x = 32,890.23 × 10,072.80
  4. Step 4: Simplify right side
    21,926.88x = 331,296,708.74
  5. Step 5: Solve for x
    x = 331,296,708.74/21,926.88
  6. Step 6: Final answer
    x = 15,109.16

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1.5x scale

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.