Home / 21,750.26-32,620.28-12,266.68

Finding the Fourth Proportional to 21,750.26, 32,620.28 and 12,266.68

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Solution

The fourth proportional to 21,750.26, 32,620.28 and 12,266.68 is: 18,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.26 : 32,620.28 = 12,266.68 : x
  2. Step 2: Convert to fraction form
    21,750.26/32,620.28 = 12,266.68/x
  3. Step 3: Cross multiply
    21,750.26x = 32,620.28 × 12,266.68
  4. Step 4: Simplify right side
    21,750.26x = 400,142,401.22
  5. Step 5: Solve for x
    x = 400,142,401.22/21,750.26
  6. Step 6: Final answer
    x = 18,397.13

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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.